MM-12976: Moving MFA to Team edition (#9971)

* MM-12976: Moving MFA to Team edition

* Changing the mfa disabled i18n key and string

app/options.go

@@ -58,7 +58,6 @@ func ServerConnector(s *Server) AppOption {
 		a.Ldap = s.Ldap
 		a.MessageExport = s.MessageExport
 		a.Metrics = s.Metrics
-		a.Mfa = s.Mfa
 		a.Saml = s.Saml
 	}
 }