fix: remove typo in parameters.py

Author: jason810496

airflow/api_fastapi/common/parameters.py

@@ -309,5 +309,4 @@ def _safe_parse_datetime(date_to_check: str) -> datetime:
 # DagRun
 QueryLastDagRunStateFilter = Annotated[_LastDagRunStateFilter, Depends(_LastDagRunStateFilter().depends)]
 # DAGTags
-QueryDagTagOrderBy = None
 QueryDagTagPatternSearch = Annotated[_DagTagNamePatternSearch, Depends(_DagTagNamePatternSearch().depends)]