[CODEOWNERS] Remove invalid owner (Azure#47820)

The focus of these changes is to remove an invalid owner causing a linter failure.

Author: jsquire

.github/CODEOWNERS

@@ -1037,10 +1037,10 @@
 # ServiceOwners:                                                   @jamesvoongms @jotrivet
 
 # PRLabel: %New Relic
-/sdk/newrelicobservability/Azure.ResourceManager.*/                @dipeshbhakat-microsoft @vipray-ms
+/sdk/newrelicobservability/Azure.ResourceManager.*/                @vipray-ms
 
 # ServiceLabel: %New Relic %Mgmt
-# ServiceOwners:                                                   @dipeshbhakat-microsoft @vipray-ms
+# ServiceOwners:                                                   @vipray-ms
 
 # PRLabel: %Nginx
 /sdk/nginx/Azure.ResourceManager.*/                                @jamesfan1 @bangbingsyb @spencerofwiti