aio: remove INIT_KIOCTX

Unused after 20dcae32 aka
"[PATCH] aio: remove kioctx from mm_struct".
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/linux/init_task.h

@@ -15,19 +15,6 @@
 extern struct files_struct init_files;
 extern struct fs_struct init_fs;
 
-#define INIT_KIOCTX(name, which_mm) \
-{							\
-	.users		= ATOMIC_INIT(1),		\
-	.dead		= 0,				\
-	.mm		= &which_mm,			\
-	.user_id	= 0,				\
-	.next		= NULL,				\
-	.wait		= __WAIT_QUEUE_HEAD_INITIALIZER(name.wait), \
-	.ctx_lock	= __SPIN_LOCK_UNLOCKED(name.ctx_lock), \
-	.reqs_active	= 0U,				\
-	.max_reqs	= ~0U,				\
-}
-
 #define INIT_MM(name) \
 {			 					\
 	.mm_rb		= RB_ROOT,				\