Update translation files

Updated by "Remove blank strings" hook in Weblate.

Translation: Soapbox/Soapbox
Translate-URL: https://hosted.weblate.org/projects/soapbox-pub/soapbox/

app/soapbox/locales/br.json

@@ -57,7 +57,6 @@
   "bundle_column_error.title": "Fazi rouedad",
   "bundle_modal_error.close": "Serriñ",
   "bundle_modal_error.retry": "Klask endro",
-  "chats.actions.copy": "",
   "chats.actions.delete": "Delete message",
   "chats.actions.report": "Report user",
   "chats.search_placeholder": "Start a chat with…",