hg: jdk9/sandbox/jdk: 8145139: clean up jdk_collections and jdk_concurrent test groups

[chris.hegarty at oracle.com]

Changeset: 7a0c06013ae6
Author:    smarks
Date:      2015-12-15 12:47 -0800
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/7a0c06013ae6

8145139: clean up jdk_collections and jdk_concurrent test groups
Reviewed-by: martin

! test/TEST.groups