LibWeb: Port HTMLCanvasElement interface from DeprecatedString to String

Author: https://github.com/shannonbooth
Commit: 76af9d434c
Pull-request: https://github.com/SerenityOS/serenity/pull/20926
Reviewed-by: https://github.com/awesomekling
Reviewed-by: https://github.com/trflynn89 ✅

Userland/Libraries/LibWeb/HTML/HTMLCanvasElement.idl

@@ -5,7 +5,7 @@
 typedef (CanvasRenderingContext2D or WebGLRenderingContext) RenderingContext;
 
 // https://html.spec.whatwg.org/multipage/semantics.html#htmlcanvaselement
-[Exposed=Window, UseDeprecatedAKString]
+[Exposed=Window]
 interface HTMLCanvasElement : HTMLElement {
 
     [HTMLConstructor] constructor();