Bookmarks: Remove the link from the bookmark list items....

chrome/browser/resources/bookmark_manager/css/bmm.css

 /*
 Copyright (c) 2010 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.
 */
 html, body {
   margin: 0;
   width: 100%;
   height: 100%;
   cursor: default;
@@ skipping 23 matching lines @@
   -webkit-box-sizing: border-box;
   -webkit-padding-start: 20px;
   background: 0 50% no-repeat;
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: pre; /* Don't collapse whitespace */
 }
 
 list > * > .label {
   -webkit-transition: all .15s;
-  cursor: pointer;
   color: black;
   display: inline-block; /* We need to use inline-block here due to RTL. */
 }
 
-list > :hover > .label {
-  text-decoration: underline;
-  color: blue;
-}
-
 list > * > .url {
   display: none;
 }
 
 list > :hover > .url,
 list > [selected] > .url {
   display: inline;
 }
 
 html[dir=rtl] list .label {
@@ skipping 231 matching lines @@
   background: -webkit-canvas(drop-down-arrow) 100% 50% no-repeat;
   padding-right: 11px;
   -webkit-margin-start: 10px;
 }
 
 html[dir=rtl] .summary button {
   background-position: 0% 50%;
   padding-right: 0;
   padding-left: 11px;
 }