fix(core): update

ts/dees-comms.classes.deescomms.ts

@@ -1,11 +1,6 @@
 import { TypedRequest } from '@apiglobal/typedrequest';
 import * as plugins from './dees-comms.plugins';
 
-let BroadcastChannel = globalThis.BroadcastChannel;
-if (!BroadcastChannel) {
-  BroadcastChannel = plugins.BroadCastChannelPolyfill as any;
-}
-
 /**
  * a comm class for client side communication between workers and tabs.
  */