Update ChangeLog.md

Author: michaelnchin

ChangeLog.md

@@ -3,7 +3,6 @@
 Starting with v1.31.6, this file will contain a record of major features and updates made in each release of graph-notebook.
 
 ## Upcoming
-- Set Gremlin `connection_protocol` defaults based on Neptune service when generating configuration via arguments ([Link to PR](https://github.com/aws/graph-notebook/pull/626))
 
 ## Release 4.4.2 (June 18, 2024)
 - Set Gremlin `connection_protocol` defaults based on Neptune service when generating configuration via arguments ([Link to PR](https://github.com/aws/graph-notebook/pull/626))