network: replace wireless-security with libnma's NMAWs
panels/network/wireless-security is essentially an old fork of the part of nm-connection-editor that is now part of libnma.
The UI elements provided by libnma adhere to the same look as the rest of gnome-control-center for quite some time now. The functinality they implement the same functionality and more. In particular, libnma uses Gcr to provide Smart Card access for keys and certificates.