Removed special chown test for XFS

Linux XFS turned to use setattr_copy() to set vfs inode attributes.
That means XFS has same chown behaviors as ext4, btrfs and other
filesystems and the special chown test must be removed.

Author: jpandre

tests/chown/00.t

@@ -176,9 +176,6 @@ case "${os}:${fs}" in
 Linux:glusterfs)
 	expect "0555,65534,65532|06555,65534,65532" lstat ${n0} mode,uid,gid
 	;;
-Linux:xfs)
-	expect 0555,65534,65532 lstat ${n0} mode,uid,gid
-	;;
 Linux:*)
 	expect 06555,65534,65532 lstat ${n0} mode,uid,gid
 	;;
@@ -193,9 +190,6 @@ case "${os}:${fs}" in
 Linux:glusterfs)
 	expect "0555,65534,65533|06555,65534,65533" lstat ${n0} mode,uid,gid
 	;;
-Linux:xfs)
-	expect 0555,65534,65533 lstat ${n0} mode,uid,gid
-	;;
 Linux:*)
 	expect 06555,65534,65533 lstat ${n0} mode,uid,gid
 	;;