remove unused import
remove unused import

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1381358 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: ff9934dcfa1cd8586549f59bbc69981b953b5f6f
ham1/jmeter,etnetera/jmeter,apache/jmeter,benbenw/jmeter,ham1/jmeter,apache/jmeter,etnetera/jmeter,ham1/jmeter,etnetera/jmeter,apache/jmeter,benbenw/jmeter,ham1/jmeter,apache/jmeter,etnetera/jmeter,ham1/jmeter,benbenw/jmeter,apache/jmeter,benbenw/jmeter,etnetera/jmeter