Disable mixpanel tracking

@freako987 I’ve prodded a couple of people internally and had excited noises come back from them about the rapid configuration workflow you’ve made. I’ve dubbed it “Viral Configuration” for now.
If you’re not aware of our blog4swag program then nip over to The return of blog4swag - share your resin.io project writeup for swag! and consider whether you could write a little something about this really cool configuration trick!