Improve apps v2 upgrade UX

remoting/webapp/base/html/main.css

 /* Copyright (c) 2012 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, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p,
 blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em,
 font, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, dl,
 dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody,
 tfoot, thead, tr, th, td, button {
@@ skipping 333 matching lines @@
 }
 
 .host-list-empty-instructions {
   padding-__MSG_@@bidi_start_edge__: 36px;
   color: #666;
   background-image: url(host_setup_instructions.webp);
   background-repeat: no-repeat;
   background-position: -3px -2px;
 }
 
-#host-list-empty-hosting-supported {
-  margin-top: 14px;
-  padding-top: 20px;
-  border-top: 1px solid #E5E5E5;
-  background-position-y: 18px;
-}
-
 .selectable {
   -webkit-user-select: text;
   cursor: text;
 }
 
 .section-row {
   display: flex;
   -webkit-align-items: center;
   padding: 10px 0;
   border-top: 1px solid #EBEBEB;
@@ skipping 344 matching lines @@
 }
 
 .mouse-cursor-overlay {
   position: absolute;
   pointer-events: none;
 }
 
 body.hangout-remote-desktop .home-screen {
   display: none;
 }