[WIP] docker: Remove mount volumes in cleanup script
[WIP] docker: Remove mount volumes in cleanup script

Fixes #38

nhlfr/virtlet,vefimova/virtlet,nhlfr/virtlet,Mirantis/virtlet,vefimova/virtlet,nhlfr/virtlet,Mirantis/virtlet,nhlfr/virtlet,vefimova/virtlet,vefimova/virtlet