Remove postgres_with_postgis from develop branch.
Remove postgres_with_postgis from develop branch.

This is only of interest in the geo branch, and merging that back will cause
much more work anyway.

phihag/adhocracy,phihag/adhocracy,liqd/adhocracy,liqd/adhocracy,alkadis/vcv,alkadis/vcv,DanielNeugebauer/adhocracy,SysTheron/adhocracy,DanielNeugebauer/adhocracy,alkadis/vcv,phihag/adhocracy,liqd/adhocracy,phihag/adhocracy,phihag/adhocracy,DanielNeugebauer/adhocracy,SysTheron/adhocracy,DanielNeugebauer/adhocracy,liqd/adhocracy,DanielNeugebauer/adhocracy,SysTheron/adhocracy,alkadis/vcv,alkadis/vcv