Function handle_remove_network

pub async fn handle_remove_network(
    client_controller: ClientControllerProxy,
    ssid: Vec<u8>,
    security_type: Option<SecurityType>,
    credential: Option<Credential>,
) -> Result<(), Error>

Communicates with the client policy layer to remove a network. This will also get the list of saved networks before and after to indicate whether anything was removed, since there is no error if the specified network was never saved.