RFR: Remove obsolete compile_resolve_oop_runtime() methods

[Roman Kennke]

ShenandoahBarrierSet::compile_resolve_oop_runtime() was only there to
support ShenandoahVerifyReadsToFromSpace, which is now gone. This patch
removes those methods too.

http://cr.openjdk.java.net/~rkennke/remove-cruft/webrev.00/
<http://cr.openjdk.java.net/%7Erkennke/remove-cruft/webrev.00/>

Testing: hotspot_gc_shenandoah

Ok?

Roman