Feng Wang 322d0c2f31 Rollback the change "Import from `mlir.dialects` lazily"
Reverts a755f1db837c464f6aa3d3111a1bc40b5ebdd37d

PiperOrigin-RevId: 663324497
2024-08-15 09:00:47 -07:00
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2024-08-06 11:22:27 -07:00