[crac] RFR: -XX:+ShowCPUFeatures: Fix double 0x (0x0x)

[Radim Vansa]

On Mon, 16 Oct 2023 11:38:09 GMT, Jan Kratochvil <jkratochvil at openjdk.org> wrote:

> - `CPU features being used are: -XX:CPUFeatures=0x0x4ff7fff9dfcfbf7,0x0x3e6`

Marked as reviewed by rvansa (Committer).

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PR Review: https://git.openjdk.org/crac/pull/127#pullrequestreview-1681437154