message: Clean up obsolete BUILD options.
diff: @@ -14,9 +14,8 @@ cc_library(
  ),
  copts = [
  "-fexceptions",
  - "-Xclang-only=-Wno-undefined-inline",
  - "-Xclang-only=-Wno-pragma-once-outside-header",
  - "-Xgcc-only=-Wno-error", # no way to just disable the pragma-once warning in gcc
  + "-Wno-undefined-inline",
  + "-Wno-pragma-once-outside-header",
  ],
  includes = ["include"],
  deps = [
  