[oneDNN] Code cleanup: unsupport blocked format for fused batchnorm op
@penpornk Hi, please help to review this and another PRs. Once they are approved/merged, I have another one (big cleanup) for TF 2.17. Thanks a lot! Hi @penpornk Can you please assist on above [comments](https://github.com/tensorflow/tensorflow/pull/66388#issuecomment-2103579140) from @gzmkl.  Thank you! > Hi @gzmkl Can you please assist on above [comments](https://github.com/tensorflow/tensorflow/pull/66388#issuecomment-2103579140) from @gzmkl. Thank you!

Hi, that are comments from myself! Right now, we are planning to remove a lot of very old code which is N/A forever.  > > Hi @gzmkl Can you please assist on above [comments](https://github.com/tensorflow/tensorflow/pull/66388#issuecomment-2103579140) from @gzmkl. Thank you!
> 
> Hi, that are comments from myself! Right now, we are planning to remove a lot of very old code which is N/A forever.

Hi @gzmkl My apologies for the typo in my above comment. Thank you very much for the update.  Hi @penpornk Any update on this PR? Please. Thank you!
We will not support blocked format for MKL kernel operations.

This PR does related code cleanup of the FusedBatchNorm op and related tests.