[CSS Typed OM] Delete obsolete number and length classes from Typed OM

third_party/WebKit/Source/core/css/cssom/CSSSimpleLength.idl

Index: third_party/WebKit/Source/core/css/cssom/CSSSimpleLength.idl
diff --git a/third_party/WebKit/Source/core/css/cssom/CSSSimpleLength.idl b/third_party/WebKit/Source/core/css/cssom/CSSSimpleLength.idl
deleted file mode 100644
index 5af5e3a788ef51b687f2416832dc7f8a2fe53238..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/css/cssom/CSSSimpleLength.idl
+++ /dev/null
@@ -1,13 +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.
-
-[
-    Constructor(double value, DOMString type),
-    Exposed=(Window,PaintWorklet),
-    RaisesException=Constructor,
-    RuntimeEnabled=CSSTypedOM
-] interface CSSSimpleLength : CSSLengthValue {
-    [EnforceRange] readonly attribute double value;
-    [ImplementedAs=unit] readonly attribute LengthType type;
-};