Remove the include for json-scanner.h
Remove the include for json-scanner.h

The json-scanner.h header file is not shipped with JSON-GLib anymore.

oerdnj/json-glib,Distrotech/json-glib,frida/json-glib,frida/json-glib,ebassi/json-glib,robtaylor/json-glib-gvariant,oerdnj/json-glib,robtaylor/json-glib-gvariant,GNOME/json-glib,Distrotech/json-glib,brauliobo/json-glib,oerdnj/json-glib,GNOME/json-glib,brauliobo/json-glib,brauliobo/json-glib,Distrotech/json-glib,ebassi/json-glib,ebassi/json-glib,oerdnj/json-glib