Temporarily remove no-default-features test

The currently published version of coreaudio-sys fails with no features
enabled, however this has been fixed on master. This should be re-added
once coreaudio-sys 0.2.5 or above is published.

.github/workflows/coreaudio-rs.yml

@@ -16,8 +16,11 @@ jobs:
  override: true
  - name: cargo test
  run: cargo test --verbose
- - name: cargo test - no features
- run: cargo test --no-default-features --verbose
+ # TODO: Re-add this once a new version of coreaudio-sys is
+ # published where `--no-default-features` works (fixed
+ # on master).
+ # - name: cargo test - no features
+ # run: cargo test --no-default-features --verbose
  - name: cargo test - all features
  run: cargo test --all-features --verbose