RFR: 8245215 Obsolete InitialBootClassLoaderMetaspaceSize and UseLargePagesInMetaspace

[Harold Seigel]

Please review this change to obsolete options "InitialBootClassLoaderMetaspaceSize and UseLargePagesInMetaspace in JDK-16.  The change was tested with tiers 1-2 on Linux, Windows, and MacOS, and tiers 3-5 on Linux x64.  Additionally, the options were tested locally:

> $JAVA_TEST/bin/java -XX:+UseLargePagesInMetaspace -version
Java HotSpot(TM) 64-Bit Server VM warning: Ignoring option UseLargePagesInMetaspace; support was removed in 16.0
java version "16-internal" 2021-03-16
        ...
> $JAVA_TEST/bin/java -XX:InitialBootClassLoaderMetaspaceSize=4 -version
Java HotSpot(TM) 64-Bit Server VM warning: Ignoring option InitialBootClassLoaderMetaspaceSize; support was removed in 16.0
java version "16-internal" 2021-03-16
      ...

Thanks, Harold

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Commit messages:
 - 8245215 Obsolete InitialBootClassLoaderMetaspaceSize and UseLargePagesInMetaspace

Changes: https://git.openjdk.java.net/jdk/pull/1194/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=1194&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8245215
  Stats: 31 lines in 3 files changed: 2 ins; 29 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1194.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1194/head:pull/1194

PR: https://git.openjdk.java.net/jdk/pull/1194