Remove custom remove method from HTMLSelectElement in dart.idl. The members are suppressed in htmlr…

tools/dom/idl/dart/dart.idl

 // This file introduces / supplements and forces Dart declarations.
 
 [Supplemental,
  Constructor]
 interface AudioContext {};
 
 [Supplemental]
 interface Document {
   [Suppressed] DOMObject getCSSCanvasContext(in DOMString contextId, in DOMString name, in long width, in long height);
   CanvasRenderingContext getCSSCanvasContext(in DOMString contextId, in DOMString name, in long width, in long height);
@@ skipping 36 matching lines @@
 
 [Supplemental]
 interface HTMLOptionsCollection {
   [Suppressed] void add([Optional] in HTMLOptionElement element, [Optional] in long before);
 };
 
 [Supplemental]
 interface HTMLSelectElement {
   [Suppressed] void add([Optional=DefaultIsUndefined] in HTMLElement element, [Optional=DefaultIsUndefined] in HTMLElement before);
   [Suppressed, Custom] void remove();
-  [Custom] void remove(in long index);
-  [Custom] void remove(in HTMLOptionElement option);
 };
 
 [Supplemental]
 interface ImageData {
   [Custom] readonly attribute int[] data;
 };
 
 [Supplemental]
 interface HTMLMediaElement {
   // Adding media events.
@@ skipping 286 matching lines @@
        raises(DOMException);
    [Custom] void send([StrictTypeChecking] in DOMString data)
        raises(DOMException);
    [Custom] void send(in DOMFormData data)
        raises(DOMException);
 };
 
 
 [Suppressed]
 interface Entity {};