RFR: 8254575: C2: Clean up unused TRACK_PHI_INPUTS assertion code

[Roberto Castañeda Lozano]

On Mon, 12 Oct 2020 11:28:00 GMT, Roberto Castañeda Lozano <github.com+8792647+robcasloz at openjdk.org> wrote:

> Remove assertion code that was disabled in all build configurations.

Remove assertion code that was disabled in all build configurations.

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PR: https://git.openjdk.java.net/jdk/pull/606