message: chore: Remove obsolete creating missing metric permissions
diff: @@ -551,7 +551,6 @@ class SupersetSecurityManager( # pylint: disable=too-many-public-methods
  Creates missing FAB permissions for datasources, schemas and metrics.
  """
  - from superset.connectors.base.models import BaseMetric
  from superset.models import core as models
  logger.info("Fetching a set of all perms to lookup which ones are missing")
  @@ -576,11 +575,6 @@ class SupersetSecurityManager( # pylint: disable=too-many-public-methods
  for database in databases:
  merge_pv("database_access", database.perm)
  - logger.info("Creating missing metrics permissions")
  - metrics: List[BaseMetric] = []
  - for datasource_class in ConnectorRegistry.sources.values():
  - metrics += list(self.get_session.query(datasource_class.metric_class).all())
  -
  def clean_perms(self) -> None:
  """
  Clean up the FAB faulty permissions.
  