CodeGen from PR 21879 in Azure/azure-rest-api-specs

Task 16564293: Update swagger description of new budget alert. (Azure#21879)

* Task 16564293: Update swagger description of new budget alert.

* Also remove "budget" as it will not longer be used.

* Add custom words

Co-authored-by: Thomas Pham <thompham@microsoft.com>

sdk/monitor/Azure.ResourceManager.Monitor/src/autorest.md

@@ -7,7 +7,7 @@ Run `dotnet build /t:GenerateCode` to generate code.
 azure-arm: true
 library-name: Monitor
 namespace: Azure.ResourceManager.Monitor
-require: https://github.com/Azure/azure-rest-api-specs/blob/ec4eca7eb6e4c1ce2bda56a6831d03d47490202f/specification/monitor/resource-manager/readme.md
+require: /mnt/vss/_work/1/s/azure-rest-api-specs/specification/monitor/resource-manager/readme.md
 output-folder: $(this-folder)/Generated
 clear-output-folder: true
 skip-csproj: true