Hardware, Change Controller Printed Wired Assembly (PWA) Independent of the Heaterboard PWA

[RobertLRead]

The new Heater Board seems great.

But I think there is a now obsolete Heater Board design in the main KiCad file. I think the obsolete one should be removed.

@melanielaporte @ForrestErickson

[melanielaporte]

@RobertLRead I will perform a full sweep of all other obsolete files and folders by September 1st to ensure everything is cleaned up.

@ForrestErickson

[melanielaporte]

@melanielaporte Remove Rev1 heaterboard from controller