Driver core: remove subsys_put()

There are no more subsystems, it's a kset now so remove the function and
the only two users, which are in the driver core.


Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

include/linux/kobject.h

@@ -238,11 +238,6 @@ static inline struct kset *subsys_get(struct kset *s)
 	return NULL;
 }
 
-static inline void subsys_put(struct kset *s)
-{
-	kset_put(s);
-}
-
 struct subsys_attribute {
 	struct attribute attr;
 	ssize_t (*show)(struct kset *, char *);