Delete SharePoint Specific List Content Type using CSOM C#

sing System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.SharePoint.Client;

namespace DeleteContentType
{
    class Program
    {
        static void Main(string[] args)
        {
            string siteURL = "http://siteURL.com/";

            ClientContext clientContext = new ClientContext(siteURL);

            List list = clientContext.Web.Lists.GetByTitle("TestList");

            ContentType ct = list.ContentTypes.GetById("JVFGHJHVFDGHJKLLLNGSDDWKPUFSEGHJPUGFFSDFGHJIIHDSSFCDSD"); //Give id of content type which we want to delete

            ct.DeleteObject();
            clientContext.ExecuteQuery();
        }
    }
}