Remove unused feedback class in dom distiller component

components/dom_distiller/core/css/distilledpage.css

 /* Copyright 2014 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. */
 
 /* Set the global 'box-sizing' state to 'border-box'.
  * *::after and *::before used to select pseudo-elements not selectable by *. */
 
 *,
 *::after,
 *::before {
@@ skipping 364 matching lines @@
 pre {
   line-height: 1.642;
   padding: .5em;
   white-space: pre-wrap;
 }
 
 body .hidden {
   display: none;
 }
 
-/* Footer feedback form. */
-#contentWrap {
-  display: flex;
-  flex-direction: column;
-  flex-grow: 1;
-  overflow: auto;
-  position: relative;
-  z-index: 1;
-}
-
-.footerFeedback {
-  display: flex;
-  flex-direction: column;
-  font-size: 14px;
-  z-index: 2;
-  background-color: #4285F4;
-  color: #fff;
-  width: 100%;
-}
-
-.feedbackContent {
-  font-size: 14px;
-  font-family: sans-serif;
-  background-color: #4285F4;
-  clear: both;
-  padding: 14px;
-}
-
-#feedbackQuestion {
-  font-size: 1.4em;
-  font-weight: 700;
-  text-align: center;
-  width: 100%;
-}
-
-.feedbackButtonWrap {
-  margin-top: 14px;
-  text-align: center;
-  width: 100%;
-}
-
-.feedbackButton {
-  -webkit-user-select: none;
-  background-color: #FFFFFF;
-  border-radius: 3px;
-  color: #4285F4;
-  display: inline-block;
-  font-weight: 900;
-  height: 35px;
-  margin: 0px 4% 0px 4%;
-  padding-top: 8px;
-  text-align: center;
-  text-transform: uppercase;
-  user-select: none;
-  width: 40%;
-}
-
 .clear {
   clear: both;
 }
 
-/* Feedback fade out */
-.fadeOut {
-  animation-duration: 0.5s;
-  animation-name: fadeOutAndSwipeAnimation;
-}
-
-@keyframes fadeOutAndSwipeAnimation {
-  from {
-    margin-left: 0%;
-    opacity: 1;
-  }
-
-  to {
-    margin-left: -100%;
-    opacity: 0;
-  }
-}
-
 /* Iframe sizing. */
 .youtubeContainer {
   height: 0px;
   /* This is the perecnt height of a standard HD video. */
   padding-bottom: 56.25%;
   position: relative;
   width: 100%;
 }
 
 .youtubeIframe {
   height: 100%;
   left: 0px;
   position: absolute;
   top: 0px;
   width: 100%;
 }