8134858: Remove G1 specific checking of Young/OldPLABSize in G1CollectorPolicy constructor
Summary: Remove obsolete and wrong code.
Reviewed-by: mgerdin, brutisso
8133818: Additional number of processed references printed with -XX:+PrintReferenceGC after JDK-8047125
Summary: Test contributed by brutisso
Reviewed-by: tonyp, tschatzl