public async Task UnBlackListUserAsync(ulong userId)
{
var filteredBlacklist = CoreMethod.ReadFromFileToList(CoreMethod.GetFileLocation("UserBlacklist.txt"));
filteredBlacklist = filteredBlacklist.Where(u => u != userId.ToString()).ToList();
CoreMethod.WriteListToFile(filteredBlacklist, true, CoreMethod.GetFileLocation("UserBlacklist.txt"));
}