Punch bows knock creative players when hit

When you enchant a bow with punch, then fire it at a creative player the arrow will fall to the ground like normal, but will push the player the distance the punch typically pushes a survival player.

Steps to Reproduce:

1. Enchant a bow with Punch
2. In Creative mode, shoot yourself with the bow

Observed Results:
The player is knocked back.

Expected Results:
The player should not be knocked back.