'Use this method to delete a chat photo. Photos can\'t be changed for private chats.
The bot must be an administrator in the chat for this to work and must have the appropriate admin rights.
Returns True on success.
Note: In regular groups (non-supergroups), this method will only work if the âAll Members Are Adminsâ
setting is off in the target group.
:param chat_id: Int or Str: Unique identifier for the target chat or username of the target channel
(in the format @channelusername)
:return:'

def delete_chat_photo(self, chat_id):

    return apihelper.delete_chat_photo(self.token, chat_id)
