Remove Boot2docker from mac

Follow the steps below

Delete and stop boot2docker vms

$ VBoxManage list vms

It will show

"default" {7cc6538c-e5ac-447e-90ac-6cb043deffdd}
"boot2docker-vm" {ffff35a9-71ec-4e72-bf82-09f02c3949e2}

Delete the vm
$VBoxManage unregistervm default --delete
$VBoxManage unregistervm ffff35a9-71ec-4e72-bf82-09f02c3949e2 --delete

Verify again
$VBoxManage list vms

Delete and uninstall boot2docker by following steps

https://github.com/boot2docker/osx-installer/blob/master/uninstall.sh