fix: 챗봇 권한 변경

Author: HSHwan

src/main/java/com/forink/forink/chat/api/ChatController.java

@@ -23,7 +23,6 @@
 @RestController
 @RequiredArgsConstructor
 @RequestMapping("/bots")
-@Secured("ROLE_회원")
 public class ChatController {
 
     private final ChatService chatService;