Docs: remove fixed docs from list broken mdx files

[kapunahelewong]

Removes the files I updated in bazelbuild/bazel#28195. When I confirm that was done correctly, I can change this from a draft PR.

[promptless]

✅ No documentation updates required.

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✅ No documentation updates required.

[alan707]

Hey @kapunahelewong! I finally got around to testing these files as part of PR #206 (switching to gen_mdx_reference_docs). Good news: contribute/docs-style-guide.mdx is now fixed and has been removed from .mintignore there. Unfortunately, concepts/build-files.mdx, concepts/dependencies.mdx, and concepts/labels.mdx still fail MDX parsing. It looks like the upstream fix in bazelbuild/bazel#28195 did not fully resolve those three. The errors are bare {..} dict literals in prose which MDX tries to parse as JSX expressions. The fix is to escape the curly braces in the upstream source (e.g. {name: value}).

Since this PR modifies copy-upstream-docs.sh, which is being removed by PR #235, it might make sense to close this one in favor of #206, which already tracks the current broken/fixed state in .mintignore.

Thoughts?

[alan707]

see comment, we should fix the parsing errors and we can test them after #206 lands.

[kapunahelewong]

Ah got it. Thank you for the details, @alan707. I'll go ahead and close this one. So the fixes should be like this (contingent on #206)? bazelbuild/bazel#28866

[alan707]

@kapunahelewong yes, exactly! You can make the changes directly on bazelbuild/bazel. Hopefully we can land the PR tomorrow after the meeting