Remove duplicated kubeflow_gcp example (keep penguin kubeflow gcp example only） (#3756)

* Remove duplicated kubeflow_gcp example （keep penguin kubeflow gcp example only）

PiperOrigin-RevId: 373002472
Co-authored-by: tfx-team <tensorflow-extended-nonhuman@googlegroups.com>

Author: dhruvesh09

tfx/components/pusher/component.py

@@ -95,9 +95,7 @@ def __init__(
         RuntimeParameter, push_destination should be constructed as a dict with
         the same field names as PushDestination proto message.
       custom_config: A dict which contains the deployment job parameters to be
-        passed to cloud-based training platforms. The [Kubeflow example](
-          https://github.com/tensorflow/tfx/blob/6ff57e36a7b65818d4598d41e584a42584d361e6/tfx/examples/chicago_taxi_pipeline/taxi_pipeline_kubeflow_gcp.py#L278-L285)
-          contains an example how this can be used by custom executors.
+        passed to Cloud platforms.
       custom_executor_spec: Optional custom executor spec. This is experimental
         and is subject to change in the future.
     """