xfs: remove duplicated xfs_defer.h

Remove duplicated include.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

fs/xfs/xfs_trans_bmap.c

@@ -17,7 +17,6 @@
 #include "xfs_alloc.h"
 #include "xfs_bmap.h"
 #include "xfs_inode.h"
-#include "xfs_defer.h"
 
 /*
  * This routine is called to allocate a "bmap update done"

fs/xfs/xfs_trans_extfree.c

@@ -18,7 +18,6 @@
 #include "xfs_alloc.h"
 #include "xfs_bmap.h"
 #include "xfs_trace.h"
-#include "xfs_defer.h"
 
 /*
  * This routine is called to allocate an "extent free done"

fs/xfs/xfs_trans_refcount.c

@@ -16,7 +16,6 @@
 #include "xfs_refcount_item.h"
 #include "xfs_alloc.h"
 #include "xfs_refcount.h"
-#include "xfs_defer.h"
 
 /*
  * This routine is called to allocate a "refcount update done"

fs/xfs/xfs_trans_rmap.c

@@ -16,7 +16,6 @@
 #include "xfs_rmap_item.h"
 #include "xfs_alloc.h"
 #include "xfs_rmap.h"
-#include "xfs_defer.h"
 
 /* Set the map extent flags for this reverse mapping. */
 static void