Accessibility: Fix color enhancer filtering

ui/accessibility/extensions/colorenhancer/res/cvd.css

Index: ui/accessibility/extensions/colorenhancer/res/cvd.css
diff --git a/ui/accessibility/extensions/colorenhancer/res/cvd.css b/ui/accessibility/extensions/colorenhancer/res/cvd.css
deleted file mode 100644
index e1a6f17357da3c64a93a0b96b6c362f3f64f51b7..0000000000000000000000000000000000000000
--- a/ui/accessibility/extensions/colorenhancer/res/cvd.css
+++ /dev/null
@@ -1,11 +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. */
-
-html[cvd="0"] {
-  -webkit-filter: url('#cvd_extension_0');
-}
-
-html[cvd="1"] {
-  -webkit-filter: url('#cvd_extension_1');
-}