DevTools: [Console] render console stacktraces consistently

Source/devtools/front_end/console/consoleView.css

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Anthony Ricaud <rik@webkit.org>
  *
  * 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.
@@ skipping 110 matching lines @@
 #console-prompt::before,
 .console-group-title::before {
     background-image: url(Images/statusbarButtonGlyphs_2x.png);
 }
 } /* media */
 
 .console-message > .outline-disclosure li.parent::before {
     top: 0;
 }
 
-.console-message .outline-disclosure .stacktrace-entry:hover {
-    background-color: rgba(0, 0, 0, 0.05);
-}
-
-.stacktrace-entry .webkit-html-blackbox-link {
-    opacity: 0.6;
-}
-
 .bubble-repeat-count {
     display: inline-block;
     height: 14px;
     background-color: rgb(128, 151, 189);
     vertical-align: middle;
     white-space: nowrap;
     padding: 1px 4px;
     text-align: left;
     font-size: 11px;
     line-height: normal;
     font-weight: bold;
     text-shadow: none;
     color: white;
     margin-top: -1px;
     border-radius: 7px;
 }
 
 .console-message .bubble-repeat-count {
     margin-right: 4px;
     margin-left: -18px;
 }
 
-.console-async-trace-text {
-    margin-left: -10px;
-    font-style: italic;
-}
-
 .repeated-message.console-error-level::before,
 .repeated-message.console-warning-level:before,
 .repeated-message.console-debug-level:before,
 .repeated-message.console-info-level:before {
     visibility: hidden;
 }
 
 .repeated-message .outline-disclosure,
 .repeated-message > .console-message-text {
     flex: 1;
@@ skipping 215 matching lines @@
 .console-view .status-bar::shadow .console-context {
     max-width: 200px;
 }
 
 .highlighted-search-result.current-search-result {
     border-radius: 1px;
     padding: 1px;
     margin: -1px;
     background-color: rgba(255, 127, 0, 0.8);
 }