AppData: Fix validation error
Remove the 3.30.3 release from the appdata file to make 'appstream-util validate-relax' not error out on the release tag order.
tag-invalid : versions are not in order [3.30.3 before 3.32.0]
Remove the 3.30.3 release from the appdata file to make 'appstream-util validate-relax' not error out on the release tag order.
tag-invalid : versions are not in order [3.30.3 before 3.32.0]