ostree: Some header file cleanups

src/ostree/ot-builtin-cat.c

@@ -24,10 +24,8 @@
 
 #include "ot-builtins.h"
 #include "ostree.h"
-#include "ostree-repo-file.h"
 
 #include <gio/gunixoutputstream.h>
-#include <glib/gi18n.h>
 
 static GOptionEntry options[] = {
 };