removing contributors who are leaving a team (Azure#34199)

Author: ostoliarova-msft

.github/CODEOWNERS

@@ -69,10 +69,10 @@
 /sdk/communication/sdk/communication/azure-communication-chat/ @ankitarorabit @minnieliu @Azure/azure-sdk-communication-code-reviewers
 
 # PRLabel: %Communication - Identity
-/sdk/communication/azure-communication-identity/     @Azure/acs-identity-sdk @AikoBB @maximrytych-ms @ostoliarova-msft @mjafferi-msft
+/sdk/communication/azure-communication-identity/     @Azure/acs-identity-sdk @AikoBB @maximrytych-ms @mjafferi-msft
 
 # PRLabel: %Communication - Common
-/sdk/communication/azure-communication-common/       @Azure/acs-identity-sdk @AikoBB @maximrytych-ms @ostoliarova-msft @mjafferi-msft
+/sdk/communication/azure-communication-common/       @Azure/acs-identity-sdk @AikoBB @maximrytych-ms @mjafferi-msft
 
 # PRLabel: %Communication - Network Traversal
 /sdk/communication/sdk/communication/azure-communication-networktraversal/ @ankitarorabit @minnieliu @Azure/azure-sdk-communication-code-reviewers