remove useless import
remove useless import

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1380364 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: 44975e8b35401f5de7d087510999c46c82494bb3
ham1/jmeter,ham1/jmeter,benbenw/jmeter,etnetera/jmeter,etnetera/jmeter,apache/jmeter,apache/jmeter,ham1/jmeter,ham1/jmeter,benbenw/jmeter,etnetera/jmeter,benbenw/jmeter,apache/jmeter,etnetera/jmeter,ham1/jmeter,benbenw/jmeter,apache/jmeter,apache/jmeter,etnetera/jmeter