Remove ServiceWorkerContainer.onerror

Author: unarist

src/main/scala/org/scalajs/dom/experimental/serviceworkers/ServiceWorkers.scala

@@ -7,7 +7,7 @@ import scala.scalajs.js.|
 import org.scalajs.dom.experimental.{
   Notification, NotificationOptions, Request, RequestInfo, Response, Sequence
 }
-import org.scalajs.dom.raw.{WorkerGlobalScope, ErrorEvent}
+import org.scalajs.dom.raw.WorkerGlobalScope
 import org.scalajs.dom.webgl.RenderingContext
 import org.scalajs.dom.{Event, EventTarget, MessageEvent, MessagePort}
 import org.scalajs.dom.raw.EventInit
@@ -381,15 +381,6 @@ trait ServiceWorkerContainer extends EventTarget {
    */
   var oncontrollerchange: js.Function1[Event, _] = js.native
 
-  /**
-   * The onerror property of the ServiceWorkerContainer interface is an event
-   * handler fired whenever an error event occurs in the associated service
-   * workers.
-   *
-   * MDN
-   */
-  var onerror: js.Function1[ErrorEvent, _] = js.native
-
   /**
    * The onmessage property of the ServiceWorkerContainer interface is an event
    * handler fired whenever a message event occurs — when incoming messages are