message: Completely remove old Chinese UP effect
diff: @@ -81,9 +81,6 @@ class UniquePowers:
  # Babylonian UP: receive a free tech after discovering the first four techs
  pBabylonia.setFreeTechsOnDiscovery(4)
  - # Chinese UP: +10% commerce rate per stability level
  - pChina.changeYieldRateModifier(YieldTypes.YIELD_COMMERCE, 20)
  -
  def onBuildingBuilt(self, city, iOwner, iBuilding):
  if iOwner == iMughals:
  self.mughalUP(city, iBuilding)
  