Update <civ>.json information.

Removed false information, added information that was missing.
Removed history of stronger Spartan women in the game.

Initial patch by: @ValihrAnt
Redone by: @Nescio
Cleaned in between by: s0600204
Differential revision: D2720
Comments by: @asterix, @badosu, @borg-, @elexis, @Stan, @wraitii