ecm: Remove check for previously unsupported nanos.

As now we can decrypt the providers 3311 and 3315 (that have ECM with
Nano 01) via a remote server, we must remove or comment the code
introduced in r6439.

Patch by today, posted in ticket #3125.

git-svn-id: http://streamboard.de.vu/svn/oscam/trunk@8262 4b0bc96b-bc66-0410-9d44-ebda105a78c1