docs: simplify Chinese localization notes

changelog.d/1298-simplified-chinese.md

@@ -1,6 +1,4 @@
-- Add Simplified Chinese (zh-CN) as an interface language, selectable from
-  the globe picker. The catalog builds on the Chinese translations by
-  @abiyeenzo (#914) and @EDIT-Aeterna (#979); the rest was translated and the
-  whole catalog reviewed against the screens. Chinese text gets tight tracking
-  and readable minimum sizes, and year-first dates read 2021年10月16日
+- Add Simplified Chinese (zh-CN) to the language picker, with localized dates
+  and readable Chinese labels. Based on translations by @abiyeenzo (#914)
+  and @EDIT-Aeterna (#979).
   (German, @gekh, #1298).