PDF: Delete non-material viewer

chrome/browser/resources/pdf/index.css

Index: chrome/browser/resources/pdf/index.css
diff --git a/chrome/browser/resources/pdf/index.css b/chrome/browser/resources/pdf/index.css
deleted file mode 100644
index 36db509ab3e78767e3e02f9755f1f6018029ed24..0000000000000000000000000000000000000000
--- a/chrome/browser/resources/pdf/index.css
+++ /dev/null
@@ -1,46 +0,0 @@
-/* Copyright 2014 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. */
-
-body {
-  background-color: #ccc;
-  margin: 0;
-}
-
-viewer-toolbar {
-  visibility: hidden;
-  white-space: nowrap;
-  z-index: 3;
-}
-
-viewer-page-indicator {
-  visibility: hidden;
-  z-index: 3;
-}
-
-viewer-progress-bar {
-  visibility: hidden;
-  z-index: 3;
-}
-
-viewer-error-screen-legacy {
-  visibility: hidden;
-  z-index: 2;
-}
-
-viewer-password-screen-legacy {
-  visibility: hidden;
-  z-index: 2;
-}
-
-#plugin {
-  height: 100%;
-  position: fixed;
-  width: 100%;
-  z-index: 1;
-}
-
-#sizer {
-  position: absolute;
-  z-index: 0;
-}