Forcibly allow GPS for more non-US factions.

Enable unrestricted_satnav with non-US factions operating either the
F-16CM or the F/A-18C to allow the use of GPS in missions.

(cherry picked from commit 545f974552)

resources/factions/canada_2005.json

@@ -71,5 +71,6 @@
     "C-130J-30 Super Hercules": [
       "Royal Canadian AF CC-130J"
     ]
-  }
+  },
+  "unrestricted_satnav": true
 }