btrfs: remove unused variable from btrfs_new_inode

Variable owner in btrfs_new_inode is unused since commit
d82a6f1d7e8b61ed5996334d0db66651bb43641d
(Btrfs: kill BTRFS_I(inode)->block_group)

Signed-off-by: Valentina Giusti <valentina.giusti@microon.de>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <clm@fb.com>

fs/btrfs/inode.c

@@ -5372,7 +5372,6 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans,
 	u32 sizes[2];
 	unsigned long ptr;
 	int ret;
-	int owner;
 
 	path = btrfs_alloc_path();
 	if (!path)
@@ -5418,11 +5417,6 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans,
 	 */
 	set_bit(BTRFS_INODE_NEEDS_FULL_SYNC, &BTRFS_I(inode)->runtime_flags);
 
-	if (S_ISDIR(mode))
-		owner = 0;
-	else
-		owner = 1;
-
 	key[0].objectid = objectid;
 	btrfs_set_key_type(&key[0], BTRFS_INODE_ITEM_KEY);
 	key[0].offset = 0;