message: Wharf: remove naval unit experience
diff: <iHealthChange>1</iHealthChange>
  </BonusHealthChange>
  </BonusHealthChanges>
  - <DomainFreeExperiences>
  - <DomainFreeExperience>
  - <DomainType>DOMAIN_SEA</DomainType>
  - <iExperience>2</iExperience>
  - </DomainFreeExperience>
  - </DomainFreeExperiences>
  <BuildingClassNeededs>
  <BuildingClassNeeded>
  <BuildingClassType>BUILDINGCLASS_HARBOR</BuildingClassType>
  