Drop the extra resources/ subdirectory

This subdirectory gets in the way when integrating the inspector
build more fully with GTK+, and does not really add anything.
Just move everything one level up.

gtk/ui/gtkapplication-quartz.ui.h

@@ -0,0 +1,7 @@
+N_("About %s");
+N_("Preferences");
+N_("Services");
+N_("Hide %s");
+N_("Hide Others");
+N_("Show All");
+N_("Quit %s");