Revert of Add a whitelist for QUIC hosts.

net/http/transport_security_state.cc

Index: net/http/transport_security_state.cc
diff --git a/net/http/transport_security_state.cc b/net/http/transport_security_state.cc
index 8eb29434f8631bdf60c4a99aa2bc91d29fed0429..e77c8c5e2138a4688a03a9d76047d9235e88dbc4 100644
--- a/net/http/transport_security_state.cc
+++ b/net/http/transport_security_state.cc
@@ -1100,25 +1100,6 @@
   return true;
 }
 
-bool TransportSecurityState::IsGooglePinnedHost(const std::string& host) const {
-  DCHECK(CalledOnValidThread());
-
-  if (!IsBuildTimely())
-    return false;
-
-  PreloadResult result;
-  if (!DecodeHSTSPreload(host, &result))
-    return false;
-
-  if (!result.has_pins)
-    return false;
-
-  if (result.pinset_id >= arraysize(kPinsets))
-    return false;
-
-  return kPinsets[result.pinset_id].accepted_pins == kGoogleAcceptableCerts;
-}
-
 bool TransportSecurityState::GetStaticExpectCTState(
     const std::string& host,
     ExpectCTState* expect_ct_state) const {