Remove some non-standard web API constructors (#2970)

This removes the EventListener, EventInit and CustomEventInit constructors from the userland globals. The type exports stay.

I removed the internal classes as well. EventListener's implementation seemed to be doing some bookkeeping on handled events but that's not being used anywhere so I assume it's old debug stuff. The other two are completely redundant.

1 files changed, 3 insertions, 3 deletions

diff --git a/js/custom_event_test.ts b/js/custom_event_test.ts
index 8a9dc9416..4d2eb2c16 100644
--- a/js/custom_event_test.ts
+++ b/js/custom_event_test.ts
@@ -4,12 +4,12 @@ import { test, assertEquals } from "./test_util.ts";
 test(function customEventInitializedWithDetail(): void {
   const type = "touchstart";
   const detail = { message: "hello" };
-  const customEventDict = new CustomEventInit({
+  const customEventInit = {
     bubbles: true,
     cancelable: true,
     detail
-  });
-  const event = new CustomEvent(type, customEventDict);
+  } as CustomEventInit;
+  const event = new CustomEvent(type, customEventInit);
 
   assertEquals(event.bubbles, true);
   assertEquals(event.cancelable, true);