The F3 debug screen no longer shows players' eye positions

The Bug:

The F3 debug screen no longer shows players' eye positions.

In 1.7.10, the player's eye position was displayed on the F3 debug screen, but as of 1.8, this is no longer the case.

Steps to Reproduce:

1. Launch an instance of 1.7.10, load into a world, and hit the F3 key.
2. Observe how your eye position is displayed within the F3 debug screen.
3. Launch an instance of the lastest version of Minecraft, load into a world, and hit the F3 key.
4. Observe if your eye position is displayed within the F3 debug screen.

Observed Behavior:

The F3 debug screen no longer shows players' eye positions.

Expected Behavior:

The F3 debug screen would show players' eye positions.