[PATCH] i915/gt/selftest_lrc: Remove timestamp test

[Chris Wilson]

Quoting Krzysztof Karas (2025-03-06 16:07:02)
> > - remove the selftest and completely forget about the HW issue, or
> Can we do anything about that HW issue? :)

The root cause was found.

> > - hide the selftest and stop it running on known bad platforms?
> This seems like it could be a solution here. I have a question
> though: would that render the test hidden behind that setting
> unused in CI? Or is it a similar situation to "FIXME" notes that
> tell us that somebody is aware of the issue, but could not
> address it at the time?

We don't enable CONFIG_DRM_I915_SELFTEST_BROKEN for CI builds.
-Chris