mutex: remove unused field "name" in debug mode

This field is unused and uninitialized since commit 9a11b49a8056
("[PATCH] lockdep: better lock debugging")

Signed-off-by: Adrien Schildknecht <adrien+dev@schischi.me>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 file changed