Allowed dependencies added by JDK-8008481 no longer required

As per the summary, we can revert the changes added by JDK-8008481

diff --git a/make/tools/src/build/tools/deps/refs.allowed b/make/tools/src/build/tools/deps/refs.allowed
--- a/make/tools/src/build/tools/deps/refs.allowed
+++ b/make/tools/src/build/tools/deps/refs.allowed
@@ -33,8 +33,3 @@
 #
 java.beans.PropertyChangeListener=java.util.logging.LogManager,sun.org.mozilla.javascript.internal.Context,compact1,compact2,compact3
 java.beans.PropertyChangeEvent=sun.org.mozilla.javascript.internal.Context,compact3
-
-# JFR traces even in builds with JFR disabled
-com.oracle.jrockit.jfr.FlightRecorder: com.sun.management.MissionControl, compact3
-com.oracle.jrockit.jfr.management.FlightRecorderMBean: com.sun.management.MissionControl, compact3
-