LA-1653 Remove old CKM_AES_CTR definition
LA-1653 Remove old CKM_AES_CTR definition

CKM_AES_CTR used to be a vendor defined mechanism. It is now defined
in PKCS #11. Remove the old definition.

Change-Id: I40dc1ecaf076ef3392cb2b44195c87d343f7c8b7

gemalto/pycryptoki