Remove `doobie-h2` which was not being used
Remove `doobie-h2` which was not being used

- Add back `h2` in `core` and upgrade to latest version

quasar-analytics/quasar,djspiewak/quasar,drostron/quasar,drostron/quasar,slamdata/slamengine,slamdata/slamengine,jedesah/Quasar,slamdata/quasar,slamdata/slamengine,jedesah/Quasar,quasar-analytics/quasar,drostron/quasar,jedesah/Quasar,drostron/quasar,jedesah/Quasar,quasar-analytics/quasar,quasar-analytics/quasar