Default close behavior on OS X

electron.js

@@ -175,19 +175,7 @@ if (!instanceLock) {
   app.on('ready', createWindow);
 
   app.on('window-all-closed', () => {
-    // On OS X it is common for applications and their menu bar
-    // to stay active until the user quits explicitly with Cmd + Q
-    if (process.platform !== 'darwin') {
-      closeApplication();
-    }
-  });
-
-  app.on('activate', () => {
-    // On OS X it's common to re-create a window in the app when the
-    // dock icon is clicked and there are no other windows open.
-    if (mainWindow === null) {
-      createWindow()
-    }
+    closeApplication();
   });
 }