remove old comment

Author: methane

.github/workflows/update.yml

@@ -65,9 +65,6 @@ jobs:
   merge:
     # Merge translations previously updated into older branches to make sure
     # older versions of Python Docs gets translated as well.
-    # 'overwrite=true' means strings previously translated will get overwritten;
-    # other branches will preserve translated strings, only filling in new
-    # translations.
     name: merge into ${{ matrix.branch }}
     needs: [update]
     strategy: