clutter-gstreamer test: remove needless makefile check
clutter-gstreamer test: remove needless makefile check

Because gobject-introspection based library does not depends native extensions, makefile is not generated.

kitachro/ruby-gnome2,kitachro/ruby-gnome2,kitachro/ruby-gnome2,kitachro/ruby-gnome2,kitachro/ruby-gnome2