Revert 213862 "net: make QUIC ProofVerifier more generic."

net/quic/crypto/proof_verifier.cc

Index: net/quic/crypto/proof_verifier.cc
===================================================================
--- net/quic/crypto/proof_verifier.cc	(revision 214032)
+++ net/quic/crypto/proof_verifier.cc	(working copy)
@@ -1,15 +0,0 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "net/quic/crypto/proof_verifier.h"
-
-namespace net {
-
-ProofVerifyDetails::~ProofVerifyDetails() {}
-
-ProofVerifierCallback::~ProofVerifierCallback() {}
-
-ProofVerifier::~ProofVerifier() {}
-
-}  // namespace net