fixing some compiler issues

src/background/background.ts

@@ -1,7 +1,6 @@
 import { MessageListener } from 'chrome-extension-toolkit';
 import { BACKGROUND_MESSAGES } from 'src/shared/messages';
 import { generateRandomId } from 'src/shared/util/random';
-import onHistoryStateUpdated from './events/onHistoryStateUpdated';
 import onInstall from './events/onInstall';
 import onNewChromeSession from './events/onNewChromeSession';
 import onServiceWorkerAlive from './events/onServiceWorkerAlive';
@@ -30,9 +29,6 @@ chrome.runtime.onInstalled.addListener(details => {
     }
 });
 
-// This event is fired when any tab's url changes.
-chrome.webNavigation.onHistoryStateUpdated.addListener(onHistoryStateUpdated);
-
 // initialize the message listener that will listen for messages from the content script
 const messageListener = new MessageListener<BACKGROUND_MESSAGES>({
     ...browserActionHandler,

src/background/events/onHistoryStateUpdated.ts

@@ -1,11 +0,0 @@
-/**
- * This event is fired when any tab's url changes.
- * This is useful for content scripts to know when SPA navigations occur.
- * @param details
- */
-export default function onHistoryStateUpdated(
-    details: chrome.webNavigation.WebNavigationTransitionCallbackDetails
-): void {
-    const { tabId, url } = details;
-    // TODO: send a message to tab with tabId to reanalyze the page
-}