Revert "Make nav#primary element remain the same height when empty"
Revert "Make nav#primary element remain the same height when empty"

This reverts commit b0fe7710c4fde710ea45511bf3c38d5a73f5c720.

CSS animation was behaving oddly with this set. It's not necessary so
we'll revert it.

ecbypi/besko,ecbypi/besko