Delete the old SSL interstitial and Finch trial

chrome/browser/resources/ssl/interstitial_v2.css

Index: chrome/browser/resources/ssl/interstitial_v2.css
diff --git a/chrome/browser/resources/ssl/interstitial_v2.css b/chrome/browser/resources/ssl/interstitial_v2.css
index 92ddccbe938491c27009c5ed5efca9efdbbedc49..df3dd2565f9c38322e48dc1d78fbece4769ce0fa 100644
--- a/chrome/browser/resources/ssl/interstitial_v2.css
+++ b/chrome/browser/resources/ssl/interstitial_v2.css
@@ -17,11 +17,6 @@ body.safe-browsing {
   color: white;
 }
 
-body.yellow {
-  background-color: rgb(255, 220, 59);
-  color: black;
-}
-
 button {
   background: rgb(76, 142, 250);
   border: 0;
@@ -159,14 +154,6 @@ input[type=checkbox] {
       url(images/2x/brokenssl_red.png) 2x);
 }
 
-.ssl-guard #icon {
-  background-image: -webkit-image-set(
-      url(images/1x/brokenssl_guard.png) 1x,
-      url(images/2x/brokenssl_guard.png) 2x);
-  height: 104px;
-  width: 94px;
-}
-
 .styled-checkbox {
   float: left;
   height: 16px;