code: public boolean delete() {
  		try {
  			con.getRoster().removeEntry(get());
  			return true;
  		} catch (XMPPException | NotLoggedInException | NoResponseException
  				| NotConnectedException e) {
  			e.printStackTrace();
  		}
  		return false;
  	}
docs: Deletes this friend.
  
  @return true if succesful, otherwise false