Partially revert 1e8dbd46

See https://gitlab.com/gitlab-org/gitlab-ce/issues/33736#note_32561501

lib/gitlab/current_settings.rb

@@ -62,8 +62,7 @@ module Gitlab
       active_db_connection = ActiveRecord::Base.connection.active? rescue false
 
       active_db_connection &&
-        ActiveRecord::Base.connection.table_exists?('application_settings') &&
-        !ActiveRecord::Migrator.needs_migration?
+        ActiveRecord::Base.connection.table_exists?('application_settings')
     rescue ActiveRecord::NoDatabaseError
       false
     end