Move Serializable annotation to the correct interface

source

@@ -60147,7 +60147,7 @@ interface <dfn>CanvasDrawImage</dfn> {
   void <span data-x="dom-context-2d-drawImage">drawImage</span>(<span>CanvasImageSource</span> image, unrestricted double sx, unrestricted double sy, unrestricted double sw, unrestricted double sh, unrestricted double dx, unrestricted double dy, unrestricted double dw, unrestricted double dh);
 };
 
-[NoInterfaceObject, Exposed=(Window,Worker), <span>Serializable</span>]
+[NoInterfaceObject, Exposed=(Window,Worker)]
 interface <dfn>CanvasImageData</dfn> {
   // <span>pixel manipulation</span>
   <span>ImageData</span> <span data-x="dom-context-2d-createImageData">createImageData</span>(double sw, double sh);
@@ -60233,7 +60233,8 @@ interface <dfn>TextMetrics</dfn> {
 
 [<span data-x="dom-imagedata">Constructor</span>(unsigned long sw, unsigned long sh),
  <span data-x="dom-imagedata">Constructor</span>(<span data-x="idl-Uint8ClampedArray">Uint8ClampedArray</span> data, unsigned long sw, optional unsigned long sh),
- Exposed=(Window,Worker)]
+ Exposed=(Window,Worker),
+ <span>Serializable</span>]
 interface <dfn>ImageData</dfn> {
   readonly attribute unsigned long <span data-x="dom-imagedata-width">width</span>;
   readonly attribute unsigned long <span data-x="dom-imagedata-height">height</span>;