<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:

def rm_app(id):
    '''
    Remove the specified app from the server.

    CLI Example:

    .. code-block:: bash

        salt marathon-minion-id marathon.rm_app my-app
    '''
    response = salt.utils.http.query(
        "{0}/v2/apps/{1}".format(_base_url(), id),
        method='DELETE',
        decode_type='json',
        decode=True,
    )
    return response['dict']