Remove strict checking of encryption type

The server may accept a different set of encryption-algorithm
dependending on the service plugin that is being used.  Without a
better mechanism for communicating this to the client, we decided at
the Atlanta summit to just remove it.

Change-Id: I658fe00281e9cbd018095969d80f5c09aca6cd38
Closes-Bug: #1322659
Merge "Remove strict checking of encryption type"