You can't uninstall the Kinect part of your Xbox 360. The Kinect is a separate piece of hardware that plugs into your console.
Here's how to use your Xbox 360 with a controller:
You don't need to uninstall anything. The Xbox 360 will recognize the controller and allow you to play games as usual.
If you're having trouble connecting your controller, try the following:
If you're still having issues, you may need to troubleshoot further or consult the Xbox 360 support website.