Merge pull request #13172 from pchote/mod-metadata-cleanup

Remove metadata that was only used by the mod chooser.

mods/cnc/mod.yaml

@@ -1,8 +1,6 @@
 Metadata:
 	Title: Tiberian Dawn
-	Description: Join the Global Defense Initiative or the Brotherhood of Nod in our\nrecreation of the classic game that started it all.\n\nTiberian Dawn modernizes the original Command & Conquer gameplay\nby introducing features from later games, including per-factory\nproduction queues, unit veterancy, and capturable tech structures.
 	Version: {DEV_VERSION}
-	Author: the OpenRA Developers
 
 Packages:
 	~^Content/cnc