Yes- download official update and install it. In Developer Edition menu choose Uninstall Developer Edition- this will remove custom kernel and initrd. Boot to Android and delete system image.
I can't help you with removing SDE menu though
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality.
Are you a developer?
Copyright © xda-developers. Hosted by Leaseweb