Revert "Specify puppet:///private/modules/etc"

(This was wrong... I'm thrashing about trying to get puppet 3 happy.)

This reverts commit bfa1eaaa82e1e3f204729e937048be2346fa693b.

Change-Id: Ia0db54cb60dca62a2b52d341ff24556b38f3c5c5
Merge "Revert "Specify puppet:///private/modules/etc""