No more client revocation feature

[ulvida]

The variable openvpn_clients_revoke is no longer used in the role.

Indeed, it is now in the scope of the separate easy_rsa role to deal with clients credentials.

However, the openvpn role should at least manage the deletion of the .ovpn file it creates here.

We're including this in a PR soon.

[nkakouros]

Hm, indeed. Please try to break the PR into meaningful chunks. There is one already open for ipv6 support, perhaps you want to take a look at it too.

[ulvida]

Yes, when I say "we" I mean our team at the UdelaR, who are working on this fork of your role. So I speak about the same PR, sorry.

I'm putting issues here but PRs on our fork, saying in commits which issues they will close. @santiagomr is checking and integrating all in a PR with clear meaningful chunks.