8325984: 4 jcstress tests are failing in Tier6 4 times each

Reviewed-by: shade
Backport-of: ee82346

Author: JornVernee

test/hotspot/jtreg/ProblemList.txt

@@ -119,11 +119,6 @@ runtime/ErrorHandling/TestDwarf.java#checkDecoder 8305489 linux-all
 runtime/ErrorHandling/MachCodeFramesInErrorFile.java 8313315 linux-ppc64le
 runtime/cds/appcds/customLoader/HelloCustom_JFR.java 8241075 linux-all,windows-x64
 
-applications/jcstress/accessAtomic.java 8325984 generic-all
-applications/jcstress/acqrel.java 8325984 generic-all
-applications/jcstress/atomicity.java 8325984 generic-all
-applications/jcstress/coherence.java 8325984 generic-all
-
 applications/jcstress/copy.java 8229852 linux-all
 
 containers/cgroup/PlainRead.java 8333967,8261242 linux-all