[DO NOT MERGE] Revert "Restructed reference root of trust (1/3 Keybox)"

This reverts commit e4ee4eb404.

Reason for revert: Feature missed deadline

Bug: 135283522
Change-Id: I4ee2caac2dadfcc3e145b9c9b977d216d4edd929

libwvdrmengine/oemcrypto/ref/src/oemcrypto_engine_ref.cpp

@@ -39,7 +39,9 @@ namespace wvoec_ref {
 // for methods that are configured for specific configurations.
 
 CryptoEngine::CryptoEngine(std::unique_ptr<wvcdm::FileSystem>&& file_system)
-    : file_system_(std::move(file_system)), usage_table_() {
+    : root_of_trust_(config_provisioning_method()),
+      file_system_(std::move(file_system)),
+      usage_table_() {
   ERR_load_crypto_strings();
 }
 
@@ -51,7 +53,7 @@ bool CryptoEngine::Initialize() {
   std::string file_path = GetUsageTimeFileFullPath();
   LoadOfflineTimeInfo(file_path);
   usage_table_.reset(MakeUsageTable());
-  return root_of_trust_.Initialize(config_provisioning_method());
+  return true;
 }
 
 void CryptoEngine::Terminate() {