message: Remove remaining code from old Babylonian UP implementation
diff: @@ -255,7 +255,6 @@ class RiseAndFall:
  if utils.getScenario() == i600AD:
  self.create600ADstartingUnits()
  self.adjust600ADWonders()
  - data.iBabylonianTechs = 4
  if utils.getScenario() == i1700AD:
  self.create1700ADstartingUnits()
  @@ -268,7 +267,6 @@ class RiseAndFall:
  utils.setReborn(iPlayer, True)
  pChina.updateTradeRoutes()
  - data.iBabylonianTechs = 4
  self.invalidateUHVs()
  