Clarify documentations by removing old versions mention
Clarify documentations by removing old versions mention

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1722767 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: e5907637fa5f4fedab1103975b440a2e3d8adf89
apache/jmeter,ham1/jmeter,ham1/jmeter,benbenw/jmeter,apache/jmeter,etnetera/jmeter,benbenw/jmeter,etnetera/jmeter,apache/jmeter,benbenw/jmeter,etnetera/jmeter,benbenw/jmeter,apache/jmeter,ham1/jmeter,etnetera/jmeter,ham1/jmeter,apache/jmeter,etnetera/jmeter,ham1/jmeter