Remove VirtualBox Guest Additions.

    Firstly it tries to uninstall itself by executing
    '/opt/VBoxGuestAdditions-VERSION/uninstall.run uninstall'.
    It uses the CD, connected by VirtualBox if it failes.

    CLI Example:

    .. code-block:: bash

        salt '*' vbox_guest.additions_remove
        salt '*' vbox_guest.additions_remove force=True

    :param force: force VirtualBox Guest Additions removing
    :type force: bool
    :return: True if VirtualBox Guest Additions were removed successfully else False

def additions_remove(**kwargs):
    '''
    Remove VirtualBox Guest Additions.

    Firstly it tries to uninstall itself by executing
    '/opt/VBoxGuestAdditions-VERSION/uninstall.run uninstall'.
    It uses the CD, connected by VirtualBox if it failes.

    CLI Example:

    .. code-block:: bash

        salt '*' vbox_guest.additions_remove
        salt '*' vbox_guest.additions_remove force=True

    :param force: force VirtualBox Guest Additions removing
    :type force: bool
    :return: True if VirtualBox Guest Additions were removed successfully else False

    '''
    kernel = __grains__.get('kernel', '')
    if kernel == 'Linux':
        ret = _additions_remove_linux()
    if not ret:
        ret = _additions_remove_use_cd(**kwargs)
    return ret