Remove the group call inspector

It's unused ever since we switched to LiveKit, and we intend to use other telemetry mechanisms going forward to fill this debugging use case, so it can be removed as discussed in today's team meeting.

public/locales/en-GB/app.json

@@ -32,12 +32,10 @@
   "Copy": "Copy",
   "Copy and share this call link": "Copy and share this call link",
   "Create account": "Create account",
-  "Debug log": "Debug log",
   "Debug log request": "Debug log request",
   "Developer": "Developer",
   "Developer Settings": "Developer Settings",
   "Display name": "Display name",
-  "Download debug logs": "Download debug logs",
   "Element Call Home": "Element Call Home",
   "Element Call is temporarily not end-to-end encrypted while we test scalability.": "Element Call is temporarily not end-to-end encrypted while we test scalability.",
   "Enable end-to-end encryption (password protected calls)": "Enable end-to-end encryption (password protected calls)",
@@ -54,7 +52,6 @@
   "How did it go?": "How did it go?",
   "If you are experiencing issues or simply would like to provide some feedback, please send us a short description below.": "If you are experiencing issues or simply would like to provide some feedback, please send us a short description below.",
   "Include debug logs": "Include debug logs",
-  "Inspector": "Inspector",
   "Join call": "Join call",
   "Join call now": "Join call now",
   "Join existing call?": "Join existing call?",
@@ -96,7 +93,6 @@
   "Share screen": "Share screen",
   "Share this call": "Share this call",
   "Sharing screen": "Sharing screen",
-  "Show call inspector": "Show call inspector",
   "Show connection stats": "Show connection stats",
   "Sign in": "Sign in",
   "Sign out": "Sign out",