Revert "Update depth to 3 to meet WSU brand standards"

After talking to @natejacobson, this squashes some existing sites
and comes down pretty hard.

This reverts commit ed77a6c308c3456c7ed0bb6bbd1676bcea3e2aad.
Merge pull request #128 from washingtonstateuniversity/rev-depth

Revert "Update depth to 3 to meet WSU brand standards"