staging/android: remove unused var from sync_timeline_signal()

signaled_pts is not used in this function.
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: NMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/android/sync.c

@@ -101,7 +101,6 @@ EXPORT_SYMBOL(sync_timeline_destroy);
 void sync_timeline_signal(struct sync_timeline *obj)
 {
 	unsigned long flags;
-	LIST_HEAD(signaled_pts);
 	struct fence *fence, *next;
 
 	trace_sync_timeline(obj);