Merge branch 'rs-revert-11842' into 'master'

Partially revert 1e8dbd46

See merge request !12236

lib/gitlab/current_settings.rb

@@ -62,8 +62,7 @@ def connect_to_db?
       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