jiahuif: Remove Bazel from cloud-provider-gcp

JobBuild
259
11-05 22:49
cloud-provider-gcp-e2e-full 1473052834076299264 1456755630399295488
cloud-provider-gcp-tests 1473052833992413184 1456755630298632192
cloud-provider-gcp-verify-all 1473052834025967616 1456755630365741056