xfs: Remove duplicate jumps to the same label

xfs_create() and xfs_create_tmpfile() have useless jumps to identical
labels. Simplify them.

Signed-off-by: Jan Kara <jack@suse.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>