Update sig-windows leads

Author: jsturtevant

groups/sig-windows/groups.yaml

@@ -15,22 +15,20 @@ groups:
       WhoCanPostMessage: "ANYONE_CAN_POST"
       ReconcileMembers: "true"
     owners:
-      - [email protected]
       - [email protected]
       - [email protected]
-      - [email protected]
       - [email protected]
+      - [email protected]
 
   - email-id: [email protected]
     name: sig-windows
     description: |-
       SIG windows general discussion group
     owners:
-      - [email protected]
       - [email protected]
       - [email protected]
-      - [email protected]
       - [email protected]
+      - [email protected]
     settings:
       WhoCanJoin: "ANYONE_CAN_JOIN"
       WhoCanViewGroup: "ANYONE_CAN_VIEW"
@@ -65,8 +63,7 @@ groups:
     members:
       - [email protected]
       - [email protected]
-      - [email protected]
-      - [email protected]
+      - [email protected]
       - [email protected]
 
   - email-id: [email protected]
@@ -78,9 +75,8 @@ groups:
     members:
       - [email protected]
       - [email protected]
-      - [email protected]
-      - [email protected]
       - [email protected]
+      - [email protected]
 
   - email-id: [email protected]
     name: k8s-infra-staging-win-svc-proxy
@@ -90,10 +86,8 @@ groups:
       ReconcileMembers: "true"
     members:
       - [email protected]
-      - [email protected]
-      - [email protected]
-      - [email protected]
       - [email protected]
+      - [email protected]
 
   #
   # k8s-infra owners for sig-owned subprojects