RFR(XS): 8211364: Remove expired flags

[Mikael Vidstedt]

Please review this change which removes expired flags.

bug: https://bugs.openjdk.java.net/browse/JDK-8211364
webrev: http://cr.openjdk.java.net/~mikael/webrevs/8211364/webrev.00/open/webrev/

* Background (from the issue)

A number of flags which expire(d) in jdk12 should be removed from the special_jvm_flags table.

* Testing

tier1-3. Lots of manual grep:ing to make sure none of the flags is actually used.


Note: There’s one reference to InlineNotify (and SyncKnobs) in src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/GraalHotSpotVMConfigVersioned.java. I’m following up on that separately.

Cheers,
Mikael