android.yml: Drop x86

[oech3]

Fainling on main too many times. I don't think someone use this project on such OOD target.

[codspeed-hq]

Merging this PR will degrade performance by 3.29%

⚡ 3 improved benchmarks
❌ 1 regressed benchmark
✅ 278 untouched benchmarks
⏩ 38 skipped benchmarks¹

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Mode	Benchmark	BASE	HEAD	Efficiency
❌	Memory	dd_copy_partial	127.7 KB	132.1 KB	-3.29%
⚡	Memory	cp_large_file[16]	115.4 KB	107.7 KB	+7.07%
⚡	Memory	sort_key_field[500000]	32.8 MB	31.4 MB	+4.65%
⚡	Memory	sort_numeric[500000]	48.7 MB	47.3 MB	+3.07%

---

_{Comparing oech3:patch-7 (059e9f5) with main (425b232)}

Footnotes

1. 38 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. ↩

[github-actions]

GNU testsuite comparison:

Skipping an intermittent issue tests/shuf/shuf-reservoir (passes in this run but fails in the 'main' branch)
Skipping an intermittent issue tests/sort/sort-stale-thread-mem (passes in this run but fails in the 'main' branch)

[oech3]

@cakebaker Would you disable Android x86?