plugins: vdsm: Remove all references to m2crypto
plugins: vdsm: Remove all references to m2crypto

Previous patch already disabled use of it, but kept parts of the code.
Remove these parts.

Also do not install it anymore.

Change-Id: I8708ef305a796ab2779a21f1947d1584e76566dd
Bug-Url: https://bugzilla.redhat.com/1464199
Signed-off-by: Yedidyah Bar David <e7f2f616ce8817ad893bbeaad3e942e94c69d323@redhat.com>

oVirt/ovirt-host-deploy,oVirt/ovirt-host-deploy,oVirt/ovirt-host-deploy