MM-19877: Remove references to PermanentDeleteBatch from audit store (#13393)

* MM-19877: Remove references to PermanentDeleteBatch from audit store

store/sqlstore/audit_store.go

@@ -71,23 +71,3 @@ func (s SqlAuditStore) PermanentDeleteByUser(userId string) *model.AppError {
 	}
 	return nil
 }
-
-func (s SqlAuditStore) PermanentDeleteBatch(endTime int64, limit int64) (int64, *model.AppError) {
-	var query string
-	if s.DriverName() == "postgres" {
-		query = "DELETE from Audits WHERE Id = any (array (SELECT Id FROM Audits WHERE CreateAt < :EndTime LIMIT :Limit))"
-	} else {
-		query = "DELETE from Audits WHERE CreateAt < :EndTime LIMIT :Limit"
-	}
-
-	sqlResult, err := s.GetMaster().Exec(query, map[string]interface{}{"EndTime": endTime, "Limit": limit})
-	if err != nil {
-		return 0, model.NewAppError("SqlAuditStore.PermanentDeleteBatch", "store.sql_audit.permanent_delete_batch.app_error", nil, ""+err.Error(), http.StatusInternalServerError)
-	}
-
-	rowsAffected, err := sqlResult.RowsAffected()
-	if err != nil {
-		return 0, model.NewAppError("SqlAuditStore.PermanentDeleteBatch", "store.sql_audit.permanent_delete_batch.app_error", nil, ""+err.Error(), http.StatusInternalServerError)
-	}
-	return rowsAffected, nil
-}