Revert "remove commented out code"

This reverts commit 9d9df671574be7a15a30ef0af452629330cb4fd1.

src/hotspot/share/gc/g1/g1YoungCollector.cpp

@@ -1125,6 +1125,7 @@ G1YoungCollector::G1YoungCollector(GCCause::Cause gc_cause,
 }
 
 void G1YoungCollector::collect() {
+//  _g1h->_cm->fully_initialize();
   // Do timing/tracing/statistics/pre- and post-logging/verification work not
   // directly related to the collection. They should not be accounted for in
   // collection work timing.