[APM] Unskip APM tests

[crespocarlos]

Summary

All APM tests have been skipped, this PR reverts it.

[elasticmachine]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: ba27207

Failed CI Steps

• FTR Configs #48

Test Failures

• [job] [logs] FTR Configs #48 / Fleet Endpoints fleet policy secrets fleet server version requirements "after each" hook for "should store secrets if additional fleet server does not meet minimum version, but is unenrolled"

Metrics [docs]

✅ unchanged

[elasticmachine]

Pinging @elastic/obs-ux-infra_services-team (Team:obs-ux-infra_services)

[github-actions]

🤖 GitHub comments

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Just comment with:

• /oblt-deploy : Deploy a Kibana instance using the Observability test environments.
• run docs-build : Re-trigger the docs validation. (use unformatted text in the comment!)

[kibanamachine]

Starting backport for target branches: 8.19, 9.1

https://github.com/elastic/kibana/actions/runs/16721863062

[kibanamachine]

💔 All backports failed

Status	Branch	Result
❌	8.19	Cherrypick failed because the selected commit (c5fd79f) is empty. Did you already backport this commit?
❌	9.1	Cherrypick failed because the selected commit (c5fd79f) is empty. Did you already backport this commit?

Manual backport

To create the backport manually run:

node scripts/backport --pr 230360

Questions ?

Please refer to the Backport tool documentation

[kibanamachine]

Friendly reminder: Looks like this PR hasn’t been backported yet.
To create automatically backports add a backport:* label or prevent reminders by adding the backport:skip label.
You can also create backports manually by running node scripts/backport --pr 230360 locally
cc: @crespocarlos