sched/wait: Remove wait_event_freezekillable()

There is no user.. make it go away.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: oleg@redhat.com
Cc: Rafael Wysocki <rjw@rjwysocki.net>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: linux-pm@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

include/linux/freezer.h

@@ -246,15 +246,6 @@ static inline int freezable_schedule_hrtimeout_range(ktime_t *expires,
  * defined in <linux/wait.h>
  */
 
-#define wait_event_freezekillable(wq, condition)			\
-({									\
-	int __retval;							\
-	freezer_do_not_count();						\
-	__retval = wait_event_killable(wq, (condition));		\
-	freezer_count();						\
-	__retval;							\
-})
-
 /* DO NOT ADD ANY NEW CALLERS OF THIS FUNCTION */
 #define wait_event_freezekillable_unsafe(wq, condition)			\
 ({									\
@@ -302,9 +293,6 @@ static inline void set_freezable(void) {}
 #define freezable_schedule_hrtimeout_range(expires, delta, mode)	\
 	schedule_hrtimeout_range(expires, delta, mode)
 
-#define wait_event_freezekillable(wq, condition)		\
-		wait_event_killable(wq, condition)
-
 #define wait_event_freezekillable_unsafe(wq, condition)			\
 		wait_event_killable(wq, condition)