mm, x86, ptrace, bts: defer branch trace stopping, cleanup

Andrew Morton noticed that mm.h needlessly includes sched.h - remove it.

Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 64d8ed2..776b641 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -13,7 +13,6 @@
 #include <linux/prio_tree.h>
 #include <linux/debug_locks.h>
 #include <linux/mm_types.h>
-#include <linux/sched.h>
 
 struct mempolicy;
 struct anon_vma;