azure: Retirement: Remove dependency on these Azure ML SDKs before June 30, 2026

AzureML SDK V1 will reach end of life on June 30, 2026. The SDKs that operate with V1 — azureml-train-core, azureml-pipeline, azureml-pipeline-core, azureml-pipeline-internal, and azureml-pipeline-steps — will also be retired and should be removed as dependencies before that date.

• Source: Azure Updates