Remove remote modules usage

main.js

@@ -23,7 +23,6 @@ function createWindow ()
     backgroundColor: '#312450',
     webPreferences: {
       nodeIntegration: true,
-      enableRemoteModule: true,
       contextIsolation: false,
     },
   });

renderer.js

@@ -1,7 +1,6 @@
 const serialport = require('@serialport/bindings-cpp')
 const usb = require('usb')
 const {ipcRenderer} = require("electron")
-const {remote} = require('electron')
 const { shell } = require('electron')
 
 var basetuneList = [];
@@ -580,12 +579,6 @@ function openFileMgr()
     } 
 }
 
-function quit()
-{
-    let w = remote.getCurrentWindow();
-    w.close();
-}
-
 async function checkForUpdates()
 {
     //Adds the current version number to the Titlebar