fix notif spam on launch by correctly logging out again. reverts start_login_from_guest stuff
fix notif spam on launch by correctly logging out again. reverts start_login_from_guest stuff

vector-im/vector-web,vector-im/riot-web,vector-im/vector-web,martindale/vector,KentShikama/vector-web,vector-im/vector-web,KentShikama/vector-web,vector-im/riot-web,martindale/vector,vector-im/riot-web,KentShikama/vector-web,KentShikama/vector-web,vector-im/riot-web,KentShikama/vector-web,vector-im/riot-web,KentShikama/vector-web,vector-im/vector-web,vector-im/riot-web,vector-im/vector-web