[Reland] Clean up deprecated tile_tokens_dim for next flashinfer

[Fridge003]

Motivation

Relanding of #13341

Depends on the next release of flashinfer.

Modifications

Accuracy Tests

Benchmarking and Profiling

Checklist

• Format your code according to the Format code with pre-commit.
• Add unit tests according to the Run and add unit tests.
• Update documentation according to Write documentations.
• Provide accuracy and speed benchmark results according to Test the accuracy and Benchmark the speed.
• Follow the SGLang code style guidance.
• Work with maintainers to merge your PR. See the PR Merge Process

[Fridge003]

/tag-and-rerun-ci

[Fridge003]

/tag-and-rerun-ci

[Fridge003]

Covered by #15551