btrfs: delete unused function btrfs_set_prop_trans

The last consumer of btrfs_set_prop_trans() was taken away by the patch
("btrfs: start transaction in xattr_handler_set_prop") so now this
function can be deleted.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/props.c

@@ -124,12 +124,6 @@ int btrfs_set_prop(struct btrfs_trans_handle *trans, struct inode *inode,
 	return 0;
 }
 
-int btrfs_set_prop_trans(struct inode *inode, const char *name,
-			 const char *value, size_t value_len, int flags)
-{
-	return btrfs_set_prop(NULL, inode, name, value, value_len, flags);
-}
-
 static int iterate_object_props(struct btrfs_root *root,
 				struct btrfs_path *path,
 				u64 objectid,

fs/btrfs/props.h

@@ -10,8 +10,6 @@
 
 void __init btrfs_props_init(void);
 
-int btrfs_set_prop_trans(struct inode *inode, const char *name,
-			 const char *value, size_t value_len, int flags);
 int btrfs_set_prop(struct btrfs_trans_handle *trans, struct inode *inode,
 		   const char *name, const char *value, size_t value_len,
 		   int flags);