Update text

Author: mehertz

README.md

@@ -1,10 +1,7 @@
-# Development moved to ArcticDB Repository
+# Development moved to ArcticDB GitHub Repository
 
-[Please see this repository for more information](https://github.com/man-group/ArcticDB).
+This repository and project are now in maintenance mode. Development has migrated to [ArcticDB](https://github.com/man-group/ArcticDB).
 
 ---
 
-Information on how to set up, install and use Arctic has been migrated to [README-arctic.md](README-arctic.md). 
-
-This repository is in maintenance mode as ongoing development has migrated to **ArcticDB**.
-
+Information on how to set up, install and use Arctic has been moved to [README-arctic.md](README-arctic.md).