docs: better hiker example style

Author: nh6574

Perma-bonuses.md

@@ -38,8 +38,7 @@ SMODS.Joker{
             context.other_card.ability.perma_bonus = context.other_card.ability.perma_bonus or 0
             context.other_card.ability.perma_bonus = context.other_card.ability.perma_bonus + card.ability.extra
             return {
-                extra = { message = localize('k_upgrade_ex'), colour = G.C.CHIPS },
-                card = card
+                message = localize('k_upgrade_ex'), colour = G.C.CHIPS
             }
         end
     end