feat(basic-plan) tentative premium-plan safeguard: remove fix-values:GP
completely. They'll have to have a GM fix GP. This could be an issue, but see comments on
http://goo.gl/HD4kZ0 for why it may be important. This commit is very
much a debatable item, so we can revert as necessary @sabrecat @wc8
@lemoness @colegleason