ocfs2: clean up some unused function declarations

Link: http://lkml.kernel.org/r/59C5D7D6.9050106@huawei.com
Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Alex Chen <alex.chen@huawei.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Author: JunPiaoHW

fs/ocfs2/buffer_head_io.h

@@ -28,9 +28,6 @@
 
 #include <linux/buffer_head.h>
 
-void ocfs2_end_buffer_io_sync(struct buffer_head *bh,
-			     int uptodate);
-
 int ocfs2_write_block(struct ocfs2_super          *osb,
 		      struct buffer_head  *bh,
 		      struct ocfs2_caching_info   *ci);