Update confluent.json (#18254)

Fixing linting errors

Author: krishnasriSomepalli

specification/confluent/resource-manager/Microsoft.Confluent/stable/2021-12-01/confluent.json

@@ -601,6 +601,7 @@
         "value": {
           "description": "Results of a list operation.",
           "type": "array",
+          "x-ms-identifiers": [],
           "items": {
             "$ref": "#/definitions/ConfluentAgreementResource"
           }
@@ -658,6 +659,7 @@
         "value": {
           "description": "List of Confluent operations supported by the Microsoft.Confluent provider.",
           "type": "array",
+          "x-ms-identifiers": [],
           "items": {
             "$ref": "#/definitions/OperationResult"
           }