Update area mentionees (#11462)

Author: jeffhandley

.github/policies/mention-owners.yml

@@ -359,7 +359,6 @@ configuration:
               - mentionUsers:
                   mentionees:
                     - roji
-                    - ajcvickers
                   replyTemplate: >-
                     Tagging subscribers to this area: ${mentionees}
                   assignMentionees: False
@@ -370,7 +369,6 @@ configuration:
               - mentionUsers:
                   mentionees:
                     - roji
-                    - ajcvickers
                   replyTemplate: >-
                     Tagging subscribers to this area: ${mentionees}
                   assignMentionees: False
@@ -381,7 +379,6 @@ configuration:
               - mentionUsers:
                   mentionees:
                     - roji
-                    - ajcvickers
                   replyTemplate: >-
                     Tagging subscribers to this area: ${mentionees}
                   assignMentionees: False
@@ -402,7 +399,7 @@ configuration:
             then:
               - mentionUsers:
                   mentionees:
-                    - ajcvickers
+                    - dotnet/area-system-componentmodel-dataannotations
                   replyTemplate: >-
                     Tagging subscribers to this area: ${mentionees}
                   assignMentionees: False