Update community files (#347)

Signed-off-by: Knative Automation <[email protected]>

Signed-off-by: Knative Automation <[email protected]>

Author: knative-automation

OWNERS_ALIASES

@@ -114,16 +114,13 @@ aliases:
   - nainaz
   - salaboy
   - zroubalik
-  func-writers:
+  functastic-writers:
   - lance
   - lkingland
   - matejvasek
   - nainaz
   - salaboy
   - zroubalik
-  functions-wg-leads:
-  - lance
-  - salaboy
   homebrew-kn-plugins-approvers:
   - dsimansk
   - maximilien
@@ -140,14 +137,6 @@ aliases:
   kn-plugin-event-approvers:
   - cardil
   - rhuss
-  kn-plugin-func-approvers:
-  - jrangelramos
-  - lance
-  - lkingland
-  - matejvasek
-  - nainaz
-  - salaboy
-  - zroubalik
   kn-plugin-migration-approvers:
   - maximilien
   - zhangtbj