Revert "📝 Update as upstream"

This reverts commit efac12ed89.

docs/api/browser-window.md

@@ -4,12 +4,8 @@ The `BrowserWindow` class gives you the ability to create a browser window. For
 example:
 
 ```javascript
-// 메인 프로세스에서
 const BrowserWindow = require('electron').BrowserWindow;
 
-// 또는 랜더러 프로세스에서
-const BrowserWindow = require('electron').remote.BrowserWindow;
-
 var win = new BrowserWindow({ width: 800, height: 600, show: false });
 win.on('closed', function() {
   win = null;