Remove old HTML app list start page.

chrome/browser/resources/app_list/recommended_apps.css

Index: chrome/browser/resources/app_list/recommended_apps.css
diff --git a/chrome/browser/resources/app_list/recommended_apps.css b/chrome/browser/resources/app_list/recommended_apps.css
deleted file mode 100644
index b02c4968c42688ec741ccf9db994e8d7c62e25cc..0000000000000000000000000000000000000000
--- a/chrome/browser/resources/app_list/recommended_apps.css
+++ /dev/null
@@ -1,31 +0,0 @@
-/* Copyright 2013 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. */
-
-.recommended-apps {
-  -webkit-align-items: center;
-  -webkit-justify-content: space-around;
-  display: -webkit-flex;
-  padding: 0 10px;
-}
-
-.app {
-  background-position: center 5px;
-  background-repeat: no-repeat;
-  background-size: 48px;
-  color: rgb(90, 90, 90);
-  cursor: default;
-  font-size: 11px;
-  font-weight: bold;
-  height: 20px;
-  overflow: hidden;
-  padding-top: 58px;
-  text-align: center;
-  text-overflow: ellipsis;
-  white-space: nowrap;
-  width: 88px;
-}
-
-.app:hover {
-  background-color: rgb(230, 230, 230);
-}