Hoglins and Zoglins do not fling entities into the air

Summary:
When a hoglin or zoglin attacks an entity or player, it does not fling the entity into the air like on Java Edition.

Steps to Reproduce:

1. Spawn hoglin/zoglin
2. Have the hoglin/zoglin attack an entity or player

Observed Results:
Entity/player is not flung into the air.

Expected Results:
Entity/player should be flung into the air.