Remove WebComponents polyfill

ext/src/shim/contentBridge.ts

@@ -6,18 +6,6 @@ import { onMessageResponse, sendMessage } from "./eventMessageChannel";
 import messaging, { Message } from "../messaging";
 
 
-const { isFramework }
-    : { isFramework: boolean } = (window as any);
-
-/**
- * Framework API library requires webcomponents for the cast
- * button custom element (<google-cast-launcher>).
- */
-if (isFramework) {
-    loadScript(browser.runtime.getURL("vendor/webcomponents-lite.js"));
-}
-
-
 // Message port to background script
 export const backgroundPort = messaging.connect({ name: "shim" });