MD Downloads: remove most deprecated CSS imports

chrome/browser/resources/md_downloads/toolbar.css

Index: chrome/browser/resources/md_downloads/toolbar.css
diff --git a/chrome/browser/resources/md_downloads/toolbar.css b/chrome/browser/resources/md_downloads/toolbar.css
deleted file mode 100644
index e347329373686bcfb896d1f70f9d69d04ac0928a..0000000000000000000000000000000000000000
--- a/chrome/browser/resources/md_downloads/toolbar.css
+++ /dev/null
@@ -1,70 +0,0 @@
-/* Copyright 2015 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. */
-
-:host {
-  align-items: center;
-  background: var(--md-toolbar-color);
-  color: white;
-  display: flex;
-  min-height: 56px;
-}
-
-#toolbar {
-  --cr-toolbar-field-end-padding: 0;
-  --cr-toolbar-field-width: var(--downloads-item-width);
-  --cr-toolbar-header-wide: {
-    -webkit-margin-start: 24px;
-    -webkit-margin-end: 16px;  /* Only matters around 900px in Russian. */
-  };
-  --cr-toolbar-left-content-wide: {
-    -webkit-margin-start: 0;
-    flex: 1 0 1px;
-    max-width: none;
-    position: static;
-  };
-  --cr-toolbar-right-content-wide: {
-    flex: 1 0 1px;
-    position: static;
-  };
-  align-items: center;
-  flex: 1;
-}
-
-paper-icon-button {
-  --iron-icon-height: 20px;
-  --iron-icon-width: 20px;
-  --paper-icon-button: {
-    height: 32px;
-    padding: 6px;
-    width: 32px;
-  };
-}
-
-.more-actions {
-  -webkit-margin-end: 16px;
-  -webkit-margin-start: 8px;
-  text-align: end;
-}
-
-#more {
-  --paper-menu-button: {
-    padding: 0;
-  };
-}
-
-paper-menu {
-  --paper-menu-selected-item: {
-    font-weight: normal;
-  };
-}
-
-paper-item {
-  -webkit-user-select: none;
-  cursor: pointer;
-  font: inherit;
-  min-height: 40px;
-  /* TODO(michaelpg): fix this for everybody ever.
-   * https://github.com/PolymerElements/paper-menu-button/issues/56 */
-  white-space: nowrap;
-}