Disable search indexation

Search indexation is very CPU-intensive, it should not be used here

controllers/admin/AdminImportController.php

@@ -1464,9 +1464,6 @@ class AdminImportControllerCore extends AdminController
 
 		}
 
-		if (Configuration::get('PS_SEARCH_INDEXATION'))
-			Search::indexation(true);
-
 		$this->closeCsvFile($handle);
 	}