RFR: JDK-8277562 Remove dead method c1 If::swap_sux

[Tobias Hartmann]

On Tue, 23 Nov 2021 10:51:54 GMT, Ludvig Janiuk <duke at openjdk.java.net> wrote:

> swap_sux in c1 is never used or referenced. Let's remove it. This will facilitate further refactorings.

Looks good and trivial.

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Marked as reviewed by thartmann (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/6517