Remove old cc-frame-viewer now that it is upstreamed into trace_viewer

tools/cc-frame-viewer/src/quad_view.css

Index: tools/cc-frame-viewer/src/quad_view.css
diff --git a/tools/cc-frame-viewer/src/quad_view.css b/tools/cc-frame-viewer/src/quad_view.css
deleted file mode 100644
index a030c475aa1ec707925f522f358edefa5e36f361..0000000000000000000000000000000000000000
--- a/tools/cc-frame-viewer/src/quad_view.css
+++ /dev/null
@@ -1,22 +0,0 @@
-/* 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. */
-
-x-quad-view {
-    display: block;
-}
-
-x-quad-view,
-x-quad-view > * {
-    cursor: default;
-    -webkit-user-select: none;
-}
-x-quad-view .header {
-    display: block;
-}
-
-x-quad-view canvas {
-    outline: none;
-    border: 1px solid rgba(0, 0, 0, 0.5);
-    box-shadow: rgba(0,0,0,0.2) 3px 3px 8px;
-}