fix typos and improve clarity in documentation

[kilavvy]

Description:

This pull request corrects minor typos and improves wording for clarity across several documentation files, including:

- Correcting instrinsics → intrinsics
- Correcting preferrably → preferably
- Correcting Orginally → Originally
-  Correcting resiliant → resilient

[rustbot]

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[rustbot]

The rustc-dev-guide subtree was changed. If this PR only touches the dev guide consider submitting a PR directly to rust-lang/rustc-dev-guide otherwise thank you for updating the dev guide with your changes.

cc @BoxyUwU, @jieyouxu, @Kobzol, @tshepang

[jieyouxu]

Can you please squash the commits into one, there's no need for 4 commits for 4 typo fixes

[jieyouxu]

@rustbot author

[rustbot]

Reminder, once the PR becomes ready for a review, use @rustbot ready.

[kilavvy]

@rustbot ready

[jieyouxu]

@Kobzol does the stdarch subtree still need a modification hold before its tests are run?

[Kobzol]

We won't be running all the tests anytime soon, and the smoke test probably wouldn't catch that many issues, so I don't think we need a modification hold, at least not for small stuff.

[jieyouxu]

Thanks
@bors r+ rollup

[bors]

📌 Commit 897c4ee has been approved by jieyouxu

It is now in the queue for this repository.