ipa-client-samba: remove state on uninstall
    
    The "domain_member" state was not removed at uninstall time.
    Remove it so that future invocations of ipa-client-samba work.
    
    Fixes: https://pagure.io/freeipa/issue/8021
    Signed-off-by: François Cami <fcami@redhat.com>
    
    https://pagure.io/freeipa/issue/8021
    
    Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>
    Reviewed-By: Sergey Orlov <sorlov@redhat.com>