Obsolete InitialBootClassLoaderMetaspaceSize and UseLargePagesInMetaspace

These options are used in these tests, so the tests need to be examined as well:
$ egrep -r 'UseLargePagesInMetaspace|InitialBootClassLoaderMetaspaceSize' open/test closed/test
open/test/hotspot/jtreg/vmTestbase/metaspace/gc/MetaspaceBaseGC.java: useLargepages = PAGE_SIZE > 1_000_000 && !vmArgs.contains("-XX:-UseLargePagesInMetaspace");
open/test/hotspot/jtreg/runtime/CommandLine/OptionsValidation/TestOptionsWithRanges.java: excludeTestMaxRange("InitialBootClassLoaderMetaspaceSize");
open/test/hotspot/jtreg/runtime/cds/MaxMetaspaceSize.java: processArgs.add("-XX:InitialBootClassLoaderMetaspaceSize=1m");
open/test/hotspot/jtreg/runtime/cds/appcds/sharedStrings/LargePages.java: "-XX:+UseLargePages", "-XX:+UseLargePagesInMetaspace");
open/test/hotspot/jtreg/runtime/cds/appcds/sharedStrings/LargePages.java: "-XX:+UseLargePages", "-XX:+UseLargePagesInMetaspace");
open/test/hotspot/jtreg/runtime/Metaspace/MaxMetaspaceSizeTest.java: "-XX:InitialBootClassLoaderMetaspaceSize=4195328",
open/test/hotspot/jtreg/gc/TestSystemGC.java: * @run main/othervm -XX:+UseLargePages -XX:+UseLargePagesInMetaspace gc.TestSystemGC