feat: replace all user-facing Russian strings with English

Empty Russian and Chinese locale files so English is used regardless
of client language. Translate all CustomGameEventManager error messages,
SendCustomMessage calls, and deck/card UI strings to English.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

scripts/vscripts/cooking/cookingsystem.lua

@@ -361,11 +361,11 @@ function CookingSystem.prototype.onCookingStart(self, event)
     end
     local recipe = RECIPES[recipeIndex + 1]
     if recipe.locked and not isRecipeUnlockedForResult(nil, recipe.result) then
-        CustomGameEventManager:Send_ServerToPlayer(player, "cooking_result", {success = false, error = "Рецепт закрыт"})
+        CustomGameEventManager:Send_ServerToPlayer(player, "cooking_result", {success = false, error = "Recipe locked"})
         return
     end
     if not self:canCook(hero, recipe.ingredients) then
-        CustomGameEventManager:Send_ServerToPlayer(player, "cooking_result", {success = false, error = "Недостаточно ингредиентов"})
+        CustomGameEventManager:Send_ServerToPlayer(player, "cooking_result", {success = false, error = "Not enough ingredients"})
         return
     end
     local data = self.campfires:get(event.campfireIndex)