Fix #6472: restore logins keychain keys so it can be opened  (#6494)
Fix #6472: restore logins keychain keys so it can be opened  (#6494)

* Fix #6472: restore logins keychain keys so it can be opened

* Cleanup unused code
mkaply/firefox-ios,garvankeeley/firefox-ios,mozilla-mobile/firefox-ios,Acidburn0zzz/firefox-ios,AaronMT/firefox-ios,st3fan/firefox-ios,AaronMT/firefox-ios,st3fan/firefox-ios,mozilla-mobile/firefox-ios,garvankeeley/firefox-ios,st3fan/firefox-ios,garvankeeley/firefox-ios,garvankeeley/firefox-ios,mkaply/firefox-ios,mozilla-mobile/firefox-ios,mkaply/firefox-ios,st3fan/firefox-ios,flodolo/firefox-ios,Acidburn0zzz/firefox-ios,mozilla-mobile/firefox-ios,StYaphet/firefox-ios,flodolo/firefox-ios,AaronMT/firefox-ios,StYaphet/firefox-ios,flodolo/firefox-ios,mozilla-mobile/firefox-ios,garvankeeley/firefox-ios,Acidburn0zzz/firefox-ios,st3fan/firefox-ios,mkaply/firefox-ios,flodolo/firefox-ios,StYaphet/firefox-ios,mozilla-mobile/firefox-ios,mozilla-mobile/firefox-ios,mkaply/firefox-ios,st3fan/firefox-ios,garvankeeley/firefox-ios,mkaply/firefox-ios,StYaphet/firefox-ios,Acidburn0zzz/firefox-ios,AaronMT/firefox-ios,Acidburn0zzz/firefox-ios,StYaphet/firefox-ios,mkaply/firefox-ios,flodolo/firefox-ios,AaronMT/firefox-ios,st3fan/firefox-ios,garvankeeley/firefox-ios,StYaphet/firefox-ios,Acidburn0zzz/firefox-ios,AaronMT/firefox-ios,Acidburn0zzz/firefox-ios,st3fan/firefox-ios,flodolo/firefox-ios,StYaphet/firefox-ios,AaronMT/firefox-ios,StYaphet/firefox-ios,Acidburn0zzz/firefox-ios,flodolo/firefox-ios