Remove anuraaga from maintainers list (#4596)

* Remove anuraaga from maintainers list

Not at AWS anymore

* Update README.md

Co-authored-by: John Watson <[email protected]>

Co-authored-by: John Watson <[email protected]>

Author: anuraaga

README.md

@@ -298,9 +298,8 @@ Approvers ([@open-telemetry/java-approvers](https://github.com/orgs/open-telemet
 
 Maintainers ([@open-telemetry/java-maintainers](https://github.com/orgs/open-telemetry/teams/java-maintainers)):
 
-- [Anuraag Agrawal](https://github.com/anuraaga), AWS
 - [Jack Berg](https://github.com/jack-berg), New Relic
-- [John Watson](https://github.com/jkwatson), Splunk
+- [John Watson](https://github.com/jkwatson), Verta.ai
 
 Maintainers Emeritus: