Revert "dgcrypt: Add support for get_caid and get_cardver commands."

This reverts commit r8314.

Apparently the card locks up after get_CAID command.

git-svn-id: http://streamboard.de.vu/svn/oscam/trunk@8318 4b0bc96b-bc66-0410-9d44-ebda105a78c1