Remove dups from ProblemLists

Author: AlanBateman

test/hotspot/jtreg/ProblemList.txt

@@ -177,8 +177,6 @@ vmTestbase/metaspace/gc/firstGC_50m/TestDescription.java 8208250 generic-all
 vmTestbase/metaspace/gc/firstGC_99m/TestDescription.java 8208250 generic-all
 vmTestbase/metaspace/gc/firstGC_default/TestDescription.java 8208250 generic-all
 
-vmTestbase/gc/memory/Nio/Nio.java 8340728 generic-all
-
 vmTestbase/nsk/jvmti/AttachOnDemand/attach045/TestDescription.java 8202971 generic-all
 vmTestbase/nsk/jvmti/scenarios/capability/CM03/cm03t001/TestDescription.java 8073470 linux-all
 vmTestbase/nsk/jvmti/InterruptThread/intrpthrd003/TestDescription.java 8288911 macosx-all

test/jdk/ProblemList.txt

@@ -577,8 +577,6 @@ java/nio/channels/DatagramChannel/BasicMulticastTests.java      8144003 macosx-a
 java/nio/channels/DatagramChannel/MulticastSendReceiveTests.java 8144003 macosx-all
 java/nio/channels/DatagramChannel/Promiscuous.java              8144003 macosx-all
 
-java/nio/Buffer/LimitDirectMemory.java	                        8340728 generic-all
-
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 # jdk_rmi