[7.16] docs: fix links and remove temp files (backport #6477)

[mergify]

This is an automatic backport of pull request #6477 done by Mergify.
Cherry-pick of 217b384 has failed:

On branch mergify/bp/7.16/pr-6477
Your branch is up to date with 'origin/7.16'.

You are currently cherry-picking commit 217b3841.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   docs/apm-breaking.asciidoc
	modified:   docs/data-model.asciidoc
	deleted:    docs/guide/install-and-run.asciidoc
	modified:   docs/ingest-pipelines.asciidoc
	modified:   docs/jaeger-integration.asciidoc
	renamed:    docs/apm-package/apm-integration.asciidoc -> docs/legacy/apm-package/apm-integration.asciidoc
	renamed:    docs/apm-package/configure.asciidoc -> docs/legacy/apm-package/configure.asciidoc
	renamed:    docs/apm-package/data-streams.asciidoc -> docs/legacy/apm-package/data-streams.asciidoc
	modified:   docs/legacy/guide/index.asciidoc
	modified:   docs/legacy/index.asciidoc
	modified:   docs/open-telemetry.asciidoc

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	deleted by them: docs/guide/apm-breaking-changes.asciidoc

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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