UPSTREAM: <carry>: Removed import

Signed-off-by: Helber Belmiro <[email protected]>

Author: hbelmiro

kubernetes_platform/python/kfp/kubernetes/common.py

@@ -20,7 +20,6 @@
 from google.protobuf import json_format
 from kfp.pipeline_spec import pipeline_spec_pb2
 from kfp.kubernetes import kubernetes_executor_config_pb2 as pb
-import pipeline_spec_pb2
 
 def get_existing_kubernetes_config_as_message(
         task: 'PipelineTask') -> pb.KubernetesExecutorConfig: