Support removing conversation

[mirusu400]

We can delete the conversation by simply sending a DELETE web request.

Raw web request sample:

DELETE /api/v1/conversation/[Your conversation ID] HTTP/2
Host: clova-x.naver.com
Cookie: [REDACTED]
Sec-Ch-Ua: 
Sec-Ch-Ua-Mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.111 Safari/537.36
Sec-Ch-Ua-Platform: ""
Accept: */*
Origin: https://clova-x.naver.com
Sec-Fetch-Site: same-origin
Sec-Fetch-Mode: cors
Sec-Fetch-Dest: empty
Referer: https://clova-x.naver.com/
Accept-Encoding: gzip, deflate, br
Accept-Language: ko-KR,ko;q=0.9,en-US;q=0.8,en;q=0.7