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

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

 // Copyright 2016 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(CSSLengthValue x, CSSLengthValue y),
-    Constructor(CSSLengthValue x, CSSLengthValue y, CSSLengthValue z),
+    Constructor(CSSNumericValue x, CSSNumericValue y),
+    Constructor(CSSNumericValue x, CSSNumericValue y, CSSNumericValue z),
     Exposed=(Window,PaintWorklet),
     RaisesException=Constructor,
     RuntimeEnabled=CSSTypedOM
 ] interface CSSTranslation : CSSTransformComponent {
-    readonly attribute CSSLengthValue x;
-    readonly attribute CSSLengthValue y;
-    readonly attribute CSSLengthValue z;
+    readonly attribute CSSNumericValue x;
+    readonly attribute CSSNumericValue y;
+    readonly attribute CSSNumericValue z;
 };