Delete vagrant after used

To delete vagrant after used, try the following fews steps.

1, list vagrant box command

vagrant box list

bento/opensuse-13.2-x86_64 (virtualbox, 2.2.1)
ubuntu/trusty64            (virtualbox, 20160107.1.0)
ubuntu/trusty64            (virtualbox, 20160108.0.0)

2, stop vagrant, in your directory where to have Vagrantfile

vagrant destroy --force

3, remove vagrant box

vagrant box remove bento/opensuse-13.2-x86_64