Update community files (#4595)

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

OWNERS_ALIASES

@@ -31,8 +31,6 @@ aliases:
   - omerbensaadon
   - salaboy
   docs-reviewers:
-  - RichardJJG
-  - mpetason
   - nainaz
   - omerbensaadon
   - pmbanugo
@@ -41,11 +39,9 @@ aliases:
   - csantanapr
   - snneji
   docs-writers:
-  - RichardJJG
   - abrennan89
-  - carieshmarie
   - csantanapr
-  - richieescarez
+  - psschwei
   - snneji
   eventing-reviewers:
   - aslom
@@ -79,7 +75,6 @@ aliases:
   - knative-prow-updater-robot
   - knative-test-reporter-robot
   - lance
-  - markusthoemmes
   - matzew
   - nak3
   - pmorie
@@ -185,7 +180,6 @@ aliases:
   serving-writers:
   - dprotaso
   - julz
-  - markusthoemmes
   - tcnghia
   - vagababov
   source-wg-leads:
@@ -200,7 +194,6 @@ aliases:
   - dprotaso
   - evankanderson
   - julz
-  - markusthoemmes
   - rhuss
   trademark-committee:
   - duglin