message: I misunderstood how GA custom dimensions work
diff: window.ga = window.ga || function(...args) { (ga.q = ga.q || []).push(args); }; ga.l = Number(new Date());
  -ga('create', 'UA-60316581-1', document.location.hostname);
  -ga('set', 'DIMVersion', $DIM_VERSION);
  -ga('set', 'DIMFlavor', $DIM_FLAVOR);
  +ga('create', 'UA-60316581-1', 'auto');
  +ga('set', 'dimension1', $DIM_VERSION);
  +ga('set', 'dimension2', $DIM_FLAVOR);
  // If we're hooked into the router, let it send pageviews instead
  if (!$featureFlags.googleAnalyticsForRouter) {
  