Drop the Operator string from the Italian, Portuguese and Ukrainian catalogs

The catalogs merged from main still carried the retired layout's label, so the catalog tests failed. The Italian glossary drops it too.

src/i18n/locales/it.json

@@ -2862,7 +2862,6 @@
   "Layout": "Layout",
   "HUD layout": "Layout HUD",
   "Tactical": "Tattico",
-  "Operator": "Operatore",
   "Minimal": "Minimale",
   "Cyber": "Cyber",
   "Sonar": "Sonar",