ELECTRON-705 (Add custom title bar support for Window 7) (#490)

* ELECTRON-705 - Add custom title bar support for Window 7

* ELECTRON-705 - Optimize title bar menu selection logic and include detail section

* ELECTRON-705 - Change installer check box titles and des

js/utils/misc.js

@@ -1,5 +1,4 @@
 'use strict';
-const os = require('os');
 
 const isDevEnv = process.env.ELECTRON_DEV ?
     process.env.ELECTRON_DEV.trim().toLowerCase() === 'true' : false;
@@ -9,15 +8,9 @@ const isWindowsOS = (process.platform === 'win32');
 
 const isNodeEnv = !!process.env.NODE_ENV;
 
-function isWindows10() {
-    const [ major ] = os.release().split('.').map((part) => parseInt(part, 10));
-    return isWindowsOS && major >= 10;
-}
-
 module.exports = {
     isDevEnv: isDevEnv,
     isMac: isMac,
     isWindowsOS: isWindowsOS,
-    isNodeEnv: isNodeEnv,
-    isWindows10: isWindows10
+    isNodeEnv: isNodeEnv
 };