refactor(frontend): remove console logs for cleaner code and improved performance

Author: NarwhalChen

frontend/src/hooks/useChatStream.ts

@@ -136,7 +136,6 @@ export const useChatStream = ({
     setMessages((prev) => [...prev, newMessage]);
 
     if (!currentChatId) {
-      console.log('Creating new chat...');
       try {
         await createChat({
           variables: {