RFR(XXS): 8015856 Remove java/lang/instrument/IsModifiableClassAgent.java from ProblemList.txt

[Staffan Larsen]

The problem was fixed in JDK-8009615 and the fix is now available in the TL forest.

See diff below.

Thanks,
/Staffan


diff --git a/test/ProblemList.txt b/test/ProblemList.txt
--- a/test/ProblemList.txt
+++ b/test/ProblemList.txt
@@ -122,9 +122,6 @@

 # jdk_lang

-# 8009615
-java/lang/instrument/IsModifiableClassAgent.java                generic-all
-
 # 6944188
 java/lang/management/ThreadMXBean/ThreadStateTest.java          generic-all