message: Remove broken ibiblio url
  I suspect ibiblio selectively mirrors or perhaps only mirrors
  highly popular artifacts.
diff: @@ -576,7 +576,6 @@ def tf_workspace(path_prefix="", tf_repo_name=""):
  jar_urls = [
  "http://mirror.bazel.build/repo1.maven.org/maven2/com/google/testing/compile/compile-testing/0.11/compile-testing-0.11.jar",
  "http://repo1.maven.org/maven2/com/google/testing/compile/compile-testing/0.11/compile-testing-0.11.jar",
  - "http://maven.ibiblio.org/maven2/com/google/testing/compile/compile-testing/0.11/compile-testing-0.11.jar",
  ],
  licenses = ["notice"], # New BSD License
  testonly_ = True,
  