removed unneeded import

Author: daniel-sanche

packages/google-cloud-firestore/tests/unit/v1/test_async_pipeline.py

@@ -451,7 +451,6 @@ def test_async_pipeline_aggregate_with_groups():
 
 
 def test_async_pipeline_raw_stage_with_options():
-    from google.cloud.firestore_v1.base_vector_query import Field
     from google.cloud.firestore_v1.pipeline_stages import RawStage
 
     start_ppl = _make_async_pipeline()

packages/google-cloud-firestore/tests/unit/v1/test_pipeline.py

@@ -442,7 +442,6 @@ def test_pipeline_aggregate_with_groups():
 
 
 def test_pipeline_raw_stage_with_options():
-    from google.cloud.firestore_v1.base_vector_query import Field
     from google.cloud.firestore_v1.pipeline_stages import RawStage
 
     start_ppl = _make_pipeline()