ext4: cleanup useless out label in __es_remove_extent()

ext4: cleanup useless out label in __es_remove_extent()

The out label in __es_remove_extent() is just return err value, we can
return it directly if something bad happens. Therefore, remove the
useless out label and rename out_get_reserved to out.

Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
Reviewed-by: Baokun Li <libaokun1@huawei.com>
Message-ID: <20251129103247.686136-10-yi.zhang@huaweicloud.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>