Stop using CertStore which is not compatible with PlzNavigate.

content/browser/frame_host/navigation_handle_impl.cc

Index: content/browser/frame_host/navigation_handle_impl.cc
diff --git a/content/browser/frame_host/navigation_handle_impl.cc b/content/browser/frame_host/navigation_handle_impl.cc
index fed466be31c84c3ed8975cb196e6a8caaf1b6787..bb59cb07a25bbb960e2cd5965a3b2cc73a0f9460 100644
--- a/content/browser/frame_host/navigation_handle_impl.cc
+++ b/content/browser/frame_host/navigation_handle_impl.cc
@@ -439,11 +439,6 @@ void NavigationHandleImpl::DidCommitNavigation(
   state_ = net_error_code_ == net::OK ? DID_COMMIT : DID_COMMIT_ERROR_PAGE;
 }
 
-void NavigationHandleImpl::UpdateSSLCertId(int new_cert_id) {
-  DCHECK(ssl_status_.cert_id) << "Must have set an SSL certificate already.";
-  ssl_status_.cert_id = new_cert_id;
-}
-
 NavigationThrottle::ThrottleCheckResult
 NavigationHandleImpl::CheckWillStartRequest() {
   DCHECK(state_ == WILL_SEND_REQUEST || state_ == DEFERRING_START);