CodeGen from PR 18309 in Azure/azure-rest-api-specs

Dropping not from budget filter. (#18309)

Co-authored-by: Maximiliano Vera Luna <[email protected]>

Author: SDKAuto

schemas/2021-10-01/Microsoft.Consumption.json

@@ -121,17 +121,6 @@
           ],
           "description": "The comparison expression to be used in the budgets."
         },
-        "not": {
-          "oneOf": [
-            {
-              "$ref": "#/definitions/BudgetFilterProperties"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
-            }
-          ],
-          "description": "The Dimensions or Tags to filter a budget by."
-        },
         "tags": {
           "oneOf": [
             {