RFR: 8338844: C2: remove useless code in PhaseIdealLoop::place_outside_loop() after 8335709

[Tobias Hartmann]

On Thu, 22 Aug 2024 15:26:40 GMT, Roland Westrelin <roland at openjdk.org> wrote:

> This removes code that shouldn't be necessary now that the
> NeverBranch/CProj nodes are assigned the correct loop. I proposed this
> initially as part of https://github.com/openjdk/jdk/pull/20334 where
> the recommendation was to take care of it separately to make
> backports easier.

Looks good to me too.

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Marked as reviewed by thartmann (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/20678#pullrequestreview-2259764961