Remove hash algorithm from renewal requests

(Merged from http://go/wvgerrit/165859.)

Since renewal requests are signed with the MAC keys and not an
asymmetric key, it does not make sense to query OEMCrypto for the
asymmetric key hash algorithm nor to include the result in the renewal
request.

Bug: 262427121
Test: opk_ta
Change-Id: Ib309b63b79e553f4754c013718df242247ab9488

libwvdrmengine/cdm/core/include/crypto_session.h

@@ -165,8 +165,7 @@ class CryptoSession {
   // Renewal request/responses
   virtual CdmResponseType PrepareAndSignRenewalRequest(
       const std::string& message, std::string* core_message,
-      std::string* signature, bool& should_specify_algorithm,
-      OEMCrypto_SignatureHashAlgorithm& algorithm);
+      std::string* signature);
   // V16 licenses.
   virtual CdmResponseType LoadRenewal(const std::string& signed_message,
                                       const std::string& core_message,