Update community files (#1041)

Signed-off-by: Knative Automation <automation@knative.team>

Author: knative-automation

OWNERS_ALIASES

@@ -58,7 +58,6 @@ aliases:
   eventing-rabbitmq-approvers:
   - ikavgo
   eventing-redis-approvers:
-  - aavarghese
   - matzew
   eventing-reviewers:
   - Leo6Leo