xfs/144: Use _qsetup instead of qsetup

Since xfstests commit 56908a2eb566c5("common/quota: move _qsetup()
helper to common code"), we have common _qsetup function. Even this
case doesn't use enforce value like xfs/050 and xfs/299, using
_qsetup is more meaningful. So remove useless qsetup.

Signed-off-by: Yang Xu <xuyang2018.jy@fujitsu.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>