Update test-resources.json (#34546)

Author: Yalin Li

sdk/appconfiguration/test-resources.json

@@ -15,18 +15,6 @@
                 "description": "The tenant ID to which the application and resources belong."
             }
         },
-        "testApplicationId": {
-            "type": "string",
-            "metadata": {
-                "description": "The application client ID used to run tests."
-            }
-        },
-        "testApplicationSecret": {
-            "type": "string",
-            "metadata": {
-                "description": "The application client secret used to run tests."
-            }
-        },
         "testApplicationOid": {
             "type": "string",
             "metadata": {