Remove andrewhsu@ from triager role for collector (open-telemetry#2790)

Signed-off-by: Bogdan Drutu <[email protected]>

Author: bogdandrutu

README.md

@@ -65,7 +65,6 @@ Objectives:
 See [CONTRIBUTING.md](CONTRIBUTING.md).
 
 Triagers ([@open-telemetry/collector-triagers](https://github.com/orgs/open-telemetry/teams/collector-triager)):
-- [Andrew Hsu](https://github.com/andrewhsu), Lightstep
 - [Steve Flanders](https://github.com/flands), Splunk
 
 Approvers ([@open-telemetry/collector-approvers](https://github.com/orgs/open-telemetry/teams/collector-approvers)):