Homestyx hydra

R1:6b3d04683d87

Clean up SIMPLE button styles

Summary: Some of these are unused, defaults to a lighter color naturally.

Test Plan: uiexamples, grep, phriction

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D18020
Repository: R1 hydra
Commit Date: May 25 2017