RFR: 8280928: os::Linux::get_tick_information is inaccurate if the guest fields are non-zero

[Mitsuru Kariya]

On Tue, 1 Feb 2022 12:46:10 GMT, Mitsuru Kariya <mkariya at openjdk.org> wrote:

> Removed `guestNiceTicks` from `os::Linux::get_tick_information` because the guest field in `/proc/stat` is already added to the user field in `/proc/stat` inside the linux kernel.

Would anyone review this pull request?

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PR: https://git.openjdk.java.net/jdk/pull/7303