chore: remove unused data and model assets

- src/data/local_data/dams/dams.geojson held the same 704 features as
  dams.geojsonl, feature for feature. Only the JSONL file is loaded
  (src/sources/infrastructureData.js), so the GeoJSON copy is dropped
  and the dataset README no longer mentions it.
- public/models/ship.glb is not loaded anywhere: no module, template,
  stylesheet or script names it. Its row in public/models/README.md
  goes with it.

Together these remove 960,345 bytes of tracked data.

public/models/README.md

@@ -8,7 +8,6 @@ under the license listed below.
 |---|---|---|---|---|
 | `airplane.glb` | “boeing 747” by [zairiq-123](https://sketchfab.com/zairiq-123) | [Sketchfab model](https://sketchfab.com/3d-models/boeing-747-9b16672038ba48f98e6d80a159044ed9) | [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/) | Substantially modified and optimized for God's Eye View, including geometry/material simplification and coordinate/orientation preparation. The former 24× runtime calibration is baked into the mesh; location, rotation, and scale are applied; the bounding-box centre is at the origin; and the model uses glTF +Y-up with its nose toward local −X. Geometry remains uncompressed so the aircraft asset does not compete with photogrammetry for Draco worker capacity. |
 | `jet.glb` | “Private Jet” by [Nick the Name](https://sketchfab.com/Nick_The_Name) | [Sketchfab model](https://sketchfab.com/3d-models/private-jet-cbdd1de6ced9461e950eafaa302cc82b) | [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/) | Repackaged as a glTF binary for the project's military-flight visualization. Imported hierarchy transforms are baked into the meshes; location, rotation, and scale are applied; the bounding-box centre is at the origin; and the model uses meter scale, glTF +Y-up, and the shared nose −X convention. Existing materials are preserved. |
-| `ship.glb` | “Low Poly Cargo Ship” by [Javier_Fernandez](https://sketchfab.com/Javier.Fernandez) | [Sketchfab model](https://sketchfab.com/3d-models/low-poly-cargo-ship-4c22cbaf01c1427f8ab60b3a07b1b32c) | [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/) | Optimized and repackaged as a glTF binary for the project's vessel visualization. |
 | `bell206.glb` | “Bell 206 JetRanger” by [terran4627](https://sketchfab.com/terran4627) | [Sketchfab model](https://sketchfab.com/3d-models/bell-206-jetranger-d2f7ba1d671549d4b26aaf834139a1dd) | [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/) | Optimized for God's Eye View: geometry/material simplification, textures resized to 256 px WebP, orientation/scale vertex-baked to real-world meters (Y-up, nose −X), origin centered. |
 | `c172.glb` | “Cessna 172” by [e737](https://sketchfab.com/e0057537) | [Sketchfab model](https://sketchfab.com/3d-models/cessna-172-64cddaee5aff470682659a8c08525046) | [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/) | Optimized for God's Eye View: geometry/material simplification, textures resized to 256 px WebP, orientation/scale vertex-baked to real-world meters (Y-up, nose −X), origin centered. |
 | `citation2.glb` | “1990 Cessna Citation, Texture Detailed, Exterior” by [BlenderCommunityHead](https://sketchfab.com/aboodgoudagad) | [Sketchfab model](https://sketchfab.com/3d-models/1990-cessna-citation-texture-detailed-exterior-a78839624fe64900a8352cb23462350a) | [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/) | Optimized for God's Eye View: geometry/material simplification, textures resized to 256 px WebP, orientation/scale vertex-baked to real-world meters (Y-up, nose −X), origin centered. |

src/data/local_data/dams/README.md

@@ -14,5 +14,4 @@ this derived database.
 
 The public-release snapshot removes contact-oriented fields and note values
 that contain email or phone identifiers. The runtime layer does not display or
-depend on those fields. Both `dams.geojson` and the runtime JSONL form carry the
+depend on those fields.
-same privacy transform.

src/data/local_data/dams/dams.geojson

@@ -1 +0,0 @@
-{"type":"FeatureCollection","features":[{"id":-19953989,"type":"Feature","geometry":{"type":"Polygon","coordinates":[[[14.292076717,46.16897504],[14.292076711,46.168976415],[14.292080818,46.169315044],[14.292082791,46.169327497],[14.292088326,46.169339424],[14.292097199,46.169350341],[14.292109051,46.169359805],[14.2921234,46.169367433],[14.292139665,46.169372916],[14.292454909,46.16945313],[14.292472725,46.169456276],[14.292491094,46.169456843],[14.292509244,46.169454808],[14.293490178,46.169271915],[14.293505685,46.169267932],[14.293519874,46.169262048],[14.293532266,46.169254461],[14.293542439,46.16924543],[14.293550049,46.169235261],[14.293554837,46.169224298],[14.293556643,46.169212912],[14.293555403,46.16920149],[14.293552972,46.169191516],[14.293548058,46.169179216],[14.293539623,46.169167869],[14.293528021,46.169157953],[14.293513742,46.169149885],[14.293497386,46.169144005],[14.293479642,46.16914056],[14.29260928,46.169036741],[14.292221224,46.168859348],[14.292205414,46.168853594],[14.292188274,46.16885012],[14.29217048,46.168849063],[14.292152735,46.168850464],[14.292135742,46.168854269],[14.292120171,46.168860327],[14.292106638,46.168868398],[14.292095679,46.168878164],[14.292087726,46.168889239],[14.292083093,46.168901184],[14.292078818,46.168919205],[14.292077639,46.168928437],[14.292076717,46.16897504]]]},"properties":{"name":"HE Podlubnik - Centrala","tags":{"name":"HE Podlubnik - Centrala","type":"site","power":"plant","alt_name":"HE Škofja Loka","operator":"Elektro Gorenjska","waterway":"dam","start_date":"1969","plant:method":"run-of-the-river","plant:source":"hydro","plant:output:electricity":"330KW"},"osm_id":-19953989,"output":"330KW","source":"hydro","construction":"","source_layer":"power_plant"}},{"id":-19754263,"type":"Feature","geometry":{"type":"Polygon","coordinates":[[[69.715342348,34.641127032],[69.71550043,34.641135916],[69.715570922,34.64110658],[69.717521056,34.641462978],[69.71812514,34.641577224],[69.718373076,34.641638579],[69.718438371,34.641451327],[69.718438036,34.641377064],[69.718220274,34.641368766],[69.718144586,34.64121412],[69.718014247,34.640948246],[69.717587357,34.640673654],[69.71740899,34.64063493],[69.717223833,34.640595284],[69.716953182,34.640548261],[69.716766517,34.640531246],[69.716362928,34.640542142],[69.716212976,34.640950425],[69.715856829,34.640920669],[69.715476123,34.640943636],[69.715342348,34.641127032]]]},"properties":{"name":"نغلو برېښناکوټ","tags":{"name":"نغلو برېښناکوټ","type":"multipolygon","power":"plant","name:de":"Naghlu-Staudamm","name:en":"Naghlu Dam","name:ja":"ナグルーダム","name:no":"Naghludemningen","name:ru":"ГЭС Наглу","name:uk":"ГЕС Наглу","waterway":"dam","wikidata":"Q4755783","wikipedia":"en:Naghlu Dam","start_date":"1967","plant:source":"hydro","plant:output:electricity":"100 MW"},"osm_id":-19754263,"output":"100 MW","source":"hydro","construction":"","source_layer":"power_plant"}},{"id":-19685440,"type":"Feature","geometry":{"type":"Polygon","coordinates":[[[-54.597119846,-25.41383667],[-54.597234845,-25.413703733],[-54.597107524,-25.413586135],[-54.59730056,-25.412625569],[-54.597341379,-25.412122152],[-54.597361664,-25.411634241],[-54.597330064,-25.410920019],[-54.597191679,-25.410193224],[-54.597057568,-25.409737668],[-54.59698146,-25.409498365],[-54.596806446,-25.409085472],[-54.596524311,-25.408510306],[-54.596161124,-25.407928853],[-54.59586826,-25.40753591],[-54.595651001,-25.407280513],[-54.595510101,-25.407146654],[-54.595350007,-25.407013549],[-54.595191002,-25.406910368],[-54.595019173,-25.406815317],[-54.594639221,-25.40665405],[-54.594135721,-25.406544833],[-54.593702209,-25.406530333],[-54.593262159,-25.406579954],[-54.592841471,-25.406631754],[-54.592785815,-25.406430001],[-54.588964338,-25.407187725],[-54.584364349,-25.408041757],[-54.584397877,-25.408225908],[-54.58083188,-25.40887408],[-54.580662817,-25.408794033],[-54.578582764,-25.409343216],[-54.577176783,-25.409921902],[-54.574835215,-25.411356968],[-54.573420266,-25.412660605],[-54.56995393,-25.41756251],[-54.565822741,-25.423818762],[-54.564863516,-25.426166114],[-54.561372454,-25.436599237],[-54.55977612,-25.441166117],[-54.559956834,-25.441255635],[-54.560411552,-25.441039718],[-54.561530369,-25.438307217],[-54.56325352,-25.43362584],[-54.564224731,-25.430147434],[-54.564559924,-25.42936314],[-54.564880364,-25.429084861],[-54.565817042,-25.428049779],[-54.566482565,-25.427226006],[-54.567271218,-25.426135353],[-54.568109324,-25.425411827],[-54.569107525,-25.423653136],[-54.568448121,-25.422704724],[-54.568378384,-25.422578744],[-54.568555074,-25.42190861],[-54.568801502,-25.421307544],[-54.569317157,-25.42054873],[-54.570266659,-25.419124226],[-54.57099622,-25.417694944],[-54.571731145,-25.416653241],[-54.572525079,-25.415601815],[-54.573302919,-25.414637645],[-54.573759146,-25.414053929],[-54.574652741,-25.413023961],[-54.574928338,-25.412760769],[-54.575345505,-25.412317702],[-54.57570995,-25.4Line truncated