Revert "[webgpu] Bump version of Dawn to c3999d7e3 (#24935)" (#24966)
### Description
This reverts commit 11bcce3480b64dae2f7f04ff3d14eb4adf56e97d.
[This change](https://dawn-review.googlesource.com/c/dawn/+/236054) from
Dawn brakes some existing shaders related to subgroup.
Following up: redo upgrade when the upstream resolves the problem.
### Motivation and Context
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