RFR: 8277481: Obsolete seldom used CDS flags

[Ioi Lam]

On Fri, 10 Dec 2021 15:01:29 GMT, Harold Seigel <hseigel at openjdk.org> wrote:

> Please review this change to obsolete deprecated CDS options UseSharedSpaces, RequireSharedSpaces, DynamicDumpSharedSpaces, and DumpSharedSpaces.  The change was tested by running Mach5 tiers 1-2 on Linux, Mac OS, and Windows and Mach5 tiers 3-5 on Linux x64 and Windows x64.
> 
> The use of UseSharedSpaces in ps_core_common.c was tested on Mac OS x64 by temporarily removing serviceability/sa/ClhsdbPmap.java#core from the problem list.
> 
> Thanks! Harold

Looks good to me. Thanks for fixing this!

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Marked as reviewed by iklam (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/6800