MSVC 2010 Projects: Clean Up "Installation"
MSVC 2010 Projects: Clean Up "Installation"

The empty lines in the property sheets are not really needed, so remove
them.

Distrotech/json-glib,Distrotech/json-glib,frida/json-glib,ebassi/json-glib,GNOME/json-glib,frida/json-glib,Distrotech/json-glib,GNOME/json-glib,ebassi/json-glib,ebassi/json-glib