merge: remove the bug-report integration for v1.23

# Conflicts:
#	messages/de.json
#	messages/en.json
#	messages/es.json
#	messages/fr.json
#	messages/it.json
#	messages/pl.json
#	src/app/admin/[section]/renderer.tsx

src/components/admin/admin-shell.tsx

@@ -23,7 +23,6 @@ import {
   FileText,
   Info,
   KeyRound,
-  Inbox,
   Plug,
   Radio,
   ScrollText,
@@ -90,11 +89,6 @@ export const ADMIN_SECTIONS: readonly AdminSection[] = [
     titleKey: "admin.section.module-availability.title",
     icon: Blocks,
   },
-  {
-    slug: "feedback",
-    titleKey: "admin.section.feedback.title",
-    icon: Inbox,
-  },
   {
     slug: "reminders",
     titleKey: "admin.section.reminders.title",