kmemcheck: rip it out

kmemcheck: rip it out

Fix up makefiles, remove references, and git rm kmemcheck.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Sasha Levin <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Vegard Nossum <[email protected]>
Cc: Pekka Enberg <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Eric W. Biederman <[email protected]>
Cc: Alexander Potapenko <[email protected]>
Cc: Tim Hansen <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>