macos: Remove leftover Cocoa workaround flags
The GLib recipe patch was removed a while ago in 5cc69e95, and the GStreamer-side workaround is also gone since gstreamer!4366 (merged). No need for these flags to stick around.
The GLib recipe patch was removed a while ago in 5cc69e95, and the GStreamer-side workaround is also gone since gstreamer!4366 (merged). No need for these flags to stick around.