Revert "Fix compatibility with latest puppetlabs-concat"

This fix broke everything. Lets revert it.

This reverts commit 23cc3616cea78b8431181af748a1827add18974f.

Change-Id: I9ce82c2e8f65606fbcedb4e2a4b37bc81edc5656
Merge "Revert "Fix compatibility with latest puppetlabs-concat""