update the typespec and remove the operationId decorator for SAPVirtualMachine RP#39116

ArcturusZhang wants to merge 3 commits intoAzure:mainAzure/azure-rest-api-specs:mainfrom

ArcturusZhang:refine-sapvm-typespecArcturusZhang/azure-rest-api-specs:refine-sapvm-typespecCopy head branch name to clipboard