refactor(general): cleanup nits (#5740)

- remove useless assignment to local var
- remove unused imports
- remove unused log import

app/notarize.mjs

@@ -1,7 +1,5 @@
 import "dotenv/config";
 import { notarize } from "@electron/notarize";
-import fs from "fs";
-import crypto from "crypto";
 
 export default async function notarizing(context) {
   const { electronPlatformName, appOutDir } = context;

app/public/config.js

@@ -1,7 +1,6 @@
 const fs = await import("fs");
 const path = await import("path");
 const Electron = await import("electron");
-const log = await import("electron-log");
 
 let configs = {};
 const configFileSuffix = ".config";

app/public/electron.js

@@ -576,8 +576,6 @@ function showRepoNotification(e) {
   } else if (severity >= 10) {
     // warnings and errors
     urgency = "critical";
-  } else {
-    urgency = "normal";
   }
 
   const notification = new Notification({