cleaned eventtriggerinfos and diplomacyinfos xml

cleaned eventtriggerinfos and diplomacyinfos XML from M:C-specific
content

added XML placeholders for following asserted tags:
PROFESSION_HUNTSMAN
PROMOTION_ESCORT_GUARD
PROMOTION_BUILD_HOME
PROMOTION_TRAINED
PROMOTION_UNTRAINED
PROMOTION_COLONIST

current asserts on loading:
TRADING_GUILDS
TRADING_TRADE_ROUTE_2
TRADING_TRADEPOST
FUEDALISM
BUILDINGCLASS_THE_FAIR