Core/Scripts: kill one ugly char buffer

src/server/scripts/Commands/cs_message.cpp

@@ -160,9 +160,7 @@ public:
         if (!*args)
             return false;
 
-        char buff[2048];
-        sprintf(buff, handler->GetTrinityString(LANG_SYSTEMMESSAGE), args);
-        sWorld->SendServerMessage(SERVER_MSG_STRING, buff);
+        sWorld->SendServerMessage(SERVER_MSG_STRING, Trinity::StringFormat(handler->GetTrinityString(LANG_SYSTEMMESSAGE), args).c_str());
         return true;
     }
     // announce to logged in GMs