8312194: test/hotspot/jtreg/applications/ctw/modules/jdk_crypto_ec.java cannot handle empty modules

Reviewed-by: kvn, thartmann

Author: lmesnik

test/hotspot/jtreg/ProblemList.txt

@@ -105,7 +105,6 @@ runtime/ErrorHandling/TestDwarf.java 8305489 linux-all
 runtime/ErrorHandling/MachCodeFramesInErrorFile.java 8313315 linux-ppc64le
 
 applications/jcstress/copy.java 8229852 linux-all
-applications/ctw/modules/jdk_crypto_ec.java 8312194 generic-all
 
 containers/docker/TestJcmd.java 8278102 linux-all
 containers/docker/TestMemoryAwareness.java 8303470 linux-x64