Revert "ttcn3-pcu-test/sns: fix PCUIF version number"
Unfortunately this patch only fixes ttcn3-pcu-test-sns but it breaks
ttcn3-pcu-test-sns-latest, this means a different solution is needed.
This reverts commit c9820d7b36eb3f75c32d193394da46aad9406cb2.
Change-Id: I101d27ae8ed7449b199e49795a3561436c2532dd
Related: OS#6275
