BaseController: try to call .remove() only no scoped sessions
BaseController: try to call .remove() only no scoped sessions

In tests, we use a not scoped session which has no .remove() method

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