CodeGen from PR 21241 in Azure/azure-rest-api-specs

Migrate to net track2 for some resource-manager readmes batch 3 (Azure#21241)

* migrate to track 2

* revert configs for machinelearning and managementgroups

* resolve Go SDK automation failure

Co-authored-by: Chenjie Shi <tadelesh.shi@live.cn>

sdk/attestation/Azure.ResourceManager.Attestation/src/autorest.md

@@ -8,7 +8,7 @@ azure-arm: true
 csharp: true
 library-name: Attestation
 namespace: Azure.ResourceManager.Attestation
-require: https://github.com/Azure/azure-rest-api-specs/blob/4270cc435fd2496bdb2a5f056dbddb463e52c7c2/specification/attestation/resource-manager/readme.md
+require: /mnt/vss/_work/1/s/azure-rest-api-specs/specification/attestation/resource-manager/readme.md
 # This tag is for preview
 tag: package-2021-06-01
 output-folder: $(this-folder)/Generated
@@ -47,4 +47,4 @@ rename-rules:
   URI: Uri
   Etag: ETag|etag
 
-```
+```