[ARM] sema_count() removal

sema_count() defined only for ARM but not used anywhere.
Signed-off-by: NArthur Othieno <a.othieno@bluewin.ch>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

include/asm-arm/semaphore.h

@@ -47,11 +47,6 @@ static inline void init_MUTEX_LOCKED(struct semaphore *sem)
 	sema_init(sem, 0);
 }
 
-static inline int sema_count(struct semaphore *sem)
-{
-	return atomic_read(&sem->count);
-}
-
 /*
  * special register calling convention
  */