Correct benefit recommendations example (Azure#21517)

Author: pednekarpraj

specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2022-10-01/examples/BenefitRecommendationsByBillingAccount.json

@@ -3,7 +3,7 @@
     "api-version": "2022-10-01",
     "billingScope": "providers/Microsoft.Billing/billingAccounts/123456",
     "$expand": "properties/usage,properties/allRecommendationDetails",
-    "$filter": "properties/lookBackPeriod eq 'Last7Days' AND properties/term eq 'P1Y' AND properties/kind eq 'SavingsPlan'"
+    "$filter": "properties/lookBackPeriod eq 'Last7Days' AND properties/term eq 'P1Y'"
   },
   "responses": {
     "200": {