Revise CODEOWNERS for Translator service ownership

Updated CODEOWNERS to reflect new service owners and labels for the Translator service.

Author: jrjrguo

.github/CODEOWNERS

@@ -412,12 +412,11 @@
 # PRLabel: %Cognitive - Anomaly Detector
 /sdk/anomalydetector/                                                @conhua @mengaims @juaduan @moreOver0
 
-# ServiceOwners: @MikeyMCZ @Han-msft
-# ServiceLabel: %Cognitive - Translator
-
 # PRLabel: %Cognitive - Translator
-/sdk/translation/azure-ai-translation-document/                      @Han-msft
-/sdk/translation/azure-ai-translation-text/                          @MikeyMCZ
+/sdk/translation/                                                    @jrjrguo @SG-MS
+
+# ServiceLabel: %Cognitive - Translator
+# ServiceOwners:                                                     @jrjrguo @SG-MS
 
 # PRLabel: %Cognitive - Language
 /sdk/cognitivelanguage/                                              @quentinRobinson @bidisha-c @mikaelsitruk @sarkar-rajarshi @ahmedaashour