Remove rebaseline logic from GOM

Tools/GardeningServer/styles/results.css

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 16 matching lines @@
     margin: 0;
     padding: 5px 0px;
     list-style: none;
     display: inline-block;
 }
 
 .non-action-button {
     padding: 5px;
 }
 
-.results-view ul.actions.rebaseline-action {
-    float: none;
-    position: absolute;
-    right: 4px;
-    top: 7px;
-    padding: 0;
-}
-
 .results-view ul.actions li, .ui-dialog ul.actions li {
     display: inline-block;
 }
 
 .results-view h3 ul.actions {
     padding: 2px 0px;
 }
 
 .results-view h3 ul.actions {
     visibility: hidden;
@@ skipping 152 matching lines @@
 .status-content:last-child {
     border-bottom: 0;
     margin-bottom: 0;
 }
 
 .flakiness-iframe, .flakiness-iframe-placeholder {
     border: none;
     height: 0;
     width: 100%;
 }