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.

Author: mitchmindtree

.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