Move config provider to _init to decouple from app

remove app references from validators

util/config/validators/validate_actionlog_archiving.py

@@ -4,7 +4,7 @@ class ActionLogArchivingValidator(BaseValidator):
   name = "actionlogarchiving"
 
   @classmethod
-  def validate(cls, config, user, user_password):
+  def validate(cls, config, user, user_password, app):
     """ Validates the action log archiving configuration. """
     if not config.get('FEATURE_ACTION_LOG_ROTATION', False):
       return