remove only_if conditional for user replacement

for tests we don't have to go the extra step, it doesn't matter much and removes one more check we have to maintain

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
fully qualify sed command

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
Merge pull request #25 from TelekomLabs/fix-puppet-user-unlock

Fix puppet user unlock