Cleanup approvers list (#88)

README.md

@@ -29,10 +29,7 @@ expected to directly contribute to every component.
 Approvers
 ([@open-telemetry/dotnet-contrib-approvers](https:/orgs/open-telemetry/teams/dotnet-contrib-approvers)):
 
-* [Bruno Garcia](https:/bruno-garcia), Sentry
-* [Eddy Nakamura](https:/eddynaka), Microsoft
-* [Paulo Janotti](https:/pjanotti), Splunk
-* [Reiley Yang](https:/reyang), Microsoft
+* This list is currently empty.
 
 *Find more about the approver role in [community
 repository](https:/open-telemetry/community/blob/main/community-membership.md#approver).*
@@ -42,7 +39,6 @@ Maintainers
 
 * [Alan West](https:/alanwest), New Relic
 * [Cijo Thomas](https:/cijothomas), Microsoft
-* [Mike Goldsmith](https:/MikeGoldsmith), Honeycomb
 * [Mikel Blanchard](https:/CodeBlanch), CoStar Group
 * [Prashant Srivastava](https:/srprash), AWS
 * [Sergey Kanzhelev](https:/SergeyKanzhelev), Google