aarch64-msvc: remove CI hack for bad Windows SDK version

[klensy]

This removes hack which manually replaced windows sdk version, as it looks like useless now, as CI uses newer version: https://github.com/rust-lang-ci/rust/actions/runs/5596259246/jobs/10233070602#step:24:929
C:\Program Files (x86)\Windows Kits\10\include\10.0.22621.0\ucrt\corecrt_io.h (look at version)

related #88796

It's nice to have some way to assert bad version, but i don't see anything except checking env rust-lang/cc-rs#646

[rustbot]

r? @Mark-Simulacrum

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[klensy]

Ok, builded successfully https://github.com/rust-lang/rust/actions/runs/5598315458/jobs/10237804937?pr=113854 (failed to upload attracts, but that's doesn't related, guess). Should i add note somewhere about bad windows sdk version, or left as it is?

[Mark-Simulacrum]

I think this is fine as-is.

@bors r+

[bors]

📌 Commit e947bd7 has been approved by Mark-Simulacrum

It is now in the queue for this repository.

[Mark-Simulacrum]

@bors rollup=iffy

[bors]

⌛ Testing commit e947bd7 with merge fe90d7d...

[bors]

☀️ Test successful - checks-actions
Approved by: Mark-Simulacrum
Pushing fe90d7d to master...

[rust-timer]

Finished benchmarking commit (fe90d7d): comparison URL.

Overall result: no relevant changes - no action needed

@rustbot label: -perf-regression

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Bootstrap: missing data