RFR: 8282684: Obsolete UseContainerCpuShares and PreferContainerQuotaForCPUCount flags

[Harold Seigel]

On Fri, 19 Aug 2022 18:41:12 GMT, Harold Seigel <hseigel at openjdk.org> wrote:

> Please review this fix to obsolete two container JVM flags related to using CPU shares to compute active processor count within containers.  This fix obsoletes the flags and removes the use of CPU shares from the calculations.  The fix was tested by running the container tests on Linux x64 and Linux aarch64 using Mach5
> 
> Thanks, Harold

Thanks David, Ioi, and Severin for the reviews!  I'll create an issue about removing cpu_shares().

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PR: https://git.openjdk.org/jdk/pull/9948