added script to completely remove all components for a customer dbn

[luckyparkwood]

• [x] remove cust directory
• [x] remove vm pin
• [x] remove vm.conf context
• [x] remove ext.conf context

[luckyparkwood]

added and tested, will only run as root will print removal preview and ask for confirmation

did not setup to remove any mv recording files, those aren't being tracked w git