message: Congress city flips do not flip units but relocate them to core
diff: @@ -640,12 +640,11 @@ class Congress:
  def assignCity(self, iPlayer, iOwner, (x, y)):
  assignedCity = city(x, y)
  - iNumDefenders = max(2, player(iPlayer).getCurrentEra()-1)
  - lFlippingUnits, lRelocatedUnits = flipOrRelocateGarrison(assignedCity, iNumDefenders)
  -
  + relocateUnitsToCore(iOwner, units.at(x, y).owner(iOwner))
  completeCityFlip(assignedCity, iPlayer, iOwner, 80, False, False, True, bPermanentCultureChange=False)
  - flipOrCreateDefenders(iPlayer, lFlippingUnits, (x, y), iNumDefenders)
  + iNumDefenders = player(iPlayer).isHuman() and 2 or max(2, player(iPlayer).getCurrentEra()-1)
  + makeUnits(iNewOwner, getBestDefender(iNewOwner), tPlot, iNumDefenders)
  if iOwner in players.major():
  relocateUnitsToCore(iOwner, lRelocatedUnits)
  