refactor(coins-rules): remove unused Voice Call rule from COIN_RULES

src/app/coins-rules/coins-rules-screen.tsx

@@ -5,7 +5,6 @@ import {
   ImageIcon,
   MessageCircle,
   Mic2,
-  Phone,
   Sparkles,
 } from "lucide-react";
 import { FaCoins } from "react-icons/fa6";
@@ -41,11 +40,11 @@ const COIN_RULES: readonly CoinRuleItem[] = [
     cost: "20 coins / message",
     icon: Mic2,
   },
-  {
-    title: "Voice Call",
-    cost: "20 coins / call",
-    icon: Phone,
-  },
+  // {
+  //   title: "Voice Call",
+  //   cost: "50 coins / call",
+  //   icon: Phone,
+  // },
   {
     title: "Photo",
     cost: "40 coins / photo",