uml: remove user_util.h

user_util.h isn't needed any more, so delete it and remove all includes of it.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/um/sys-ppc/sigcontext.c

@@ -1,7 +1,6 @@
 #include "asm/ptrace.h"
 #include "asm/sigcontext.h"
 #include "sysdep/ptrace.h"
-#include "user_util.h"
 
 /*
  * Overrides for Emacs so that we follow Linus's tabbing style.