Fix docs levels and broken links (without rename) (#17545)

* Fix docs levels and broken links

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Update advanced_level_17.rst

* Delete oryx-build-commands.txt

* Update BECOMING_A_CORE_CONTRIBUTOR.md

* Update expert_level_24.rst

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>