Over a number of months players have made suggestions concerning Gallic systems and the factions based in Gallia.
No, Gallia has not gone but it has been reworked using the player requests for guidance, the changes will appear with next release.
As this is Discovery, you can discover the detail on release by actually exploring or by reading the change log, however the system reclassification is active as from now, below is the new listing that can be found in the Rules section.
Gallia
Ile-de-France
Berry
Burgundy
Maine
Orleanais
Picardy
Anjou
Auvergne
Dauphine
Lorraine
Lyonnais
Gallic Borderworlds
Artois
Champagne
Corse
Franche-Comte
Languedoc
Provence
Savoie
Please note this list is for operation now, with the current existing systems.
If systems are removed this list will obviously shrink.
Everytime you ask the Devs when the Mod Update is out they force somebody close to you to watch the Star Wars Christmas Special. (shudder) And when the loved one asks why...They say "Somebody close to you asked me when the update is comming' and said loved one shall blame you forever.