Clean up unused variable

Author: pranavkm

src/Components/Browser.JS/src/Platform/Circuits/AutoReconnectCircuitHandler.ts

@@ -2,15 +2,13 @@ import { CircuitHandler } from './CircuitHandler';
 export class AutoReconnectCircuitHandler implements CircuitHandler {
   modal: HTMLDivElement;
   message: Text;
-  isConnected: boolean | null;
 
   constructor(private maxRetries: number = 5, private retryInterval: number = 3000) {
     this.modal = document.createElement('div');
     this.modal.className = 'modal';
     this.message = document.createTextNode('');
     this.modal.appendChild(this.message);
     document.addEventListener('DOMContentLoaded', () => document.body.appendChild(this.modal));
-    this.isConnected = null;
   }
   onConnectionUp() {
     this.modal.style.display = 'none';