minor update for kmeans out of preview

[ethanglaser]

Description

Remove preview module for kmeans as kmeans is out of preview (uxlfoundation/scikit-learn-intelex#1770)

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[david-cortes-intel]

Thanks, I can confirm that regular/kmeans.json now executes without the previous error.

But I see the PR has a large file for SPMD which is not only about KMeans - was it committed accidentally? Otherwise, might be better left for a different PR.

[ethanglaser]

/azp run CI

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[david-cortes-intel]

/azp run CI

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).