[KARAF-422] remove jdk6 specific code

Signed-off-by: Andreas Pieber <anpieber@gmail.com>

git-svn-id: https://svn.apache.org/repos/asf/karaf/branches/karaf-2.1.x@1067477 13f79535-47bb-0310-9956-ffa450edef68
1 file changed