code: private boolean deleteCache( ArtifactStore store, String path, EventMetadata eventMetadata )
                      throws IndyWorkflowException
      {
          logger.trace( "Delete cache, store:{}, path:{}", store.getName(), path );
          if ( hosted == store.getKey().getType() )
          {
              return false;
          }
          else
          {
              return downloadManager.delete( store, path, eventMetadata );
          }
      }
docs: clean just the cache (storage of groups and remote repos)