xfs: remove duplicate headers

Remove duplicate headers which are included twice.
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

fs/xfs/xfs_xattr.c

@@ -12,7 +12,6 @@
 #include "xfs_inode.h"
 #include "xfs_attr.h"
 #include "xfs_acl.h"
-#include "xfs_da_format.h"
 #include "xfs_da_btree.h"
 
 #include <linux/posix_acl_xattr.h>