Revert "Support building duckdb from a hash, including CI"

[myrrc]

Reverts #6658

https://github.com/vortex-data/vortex/actions/runs/22399016499/job/64840123013

[myrrc]

Seems like it's a runners issue actions/runner-images#1120 with some weird concurrency

[codspeed-hq]

Merging this PR will improve performance by 43.03%

⚡ 1 improved benchmark
✅ 953 untouched benchmarks
⏩ 1466 skipped benchmarks¹

Performance Changes

	Mode	Benchmark	BASE	HEAD	Efficiency
⚡	Simulation	chunked_bool_canonical_into[(1000, 10)]	68.2 µs	47.7 µs	+43.03%

---

_{Comparing revert-6658-myrrc/duckdb-build-from-hash-ci (0f63186) with develop (86ebf3d)²}

Footnotes

1. 1466 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

2. No successful run was found on develop (c84e522) during the generation of this report, so 86ebf3d was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩