Fixed CI issues

Author: wenting-zhao

commit0/harness/build.py

@@ -32,10 +32,6 @@ def main(
 
     client = docker.from_env()
     build_repo_images(client, specs, num_workers, verbose)
-    for spec in specs:
-        image = client.images.get(spec.repo_image_key)
-        repository, tag = spec.repo_image_tag.split(":")
-        image.tag(repository, tag)
 
 
 __all__ = []