x86, um: get rid of excessive includes of uml-config.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

arch/um/sys-i386/shared/sysdep/stub.h

@@ -12,7 +12,6 @@
 #include "as-layout.h"
 #include "stub-data.h"
 #include "kern_constants.h"
-#include "uml-config.h"
 
 extern void stub_segv_handler(int sig);
 extern void stub_clone_handler(void);