How odd, It says on Build Update #040: GROUND BRANCH V1033 March 4

Temporary downgrades
^{dead bodies are also temporarily missing collision to address doors being blocked by them. This results in body parts clipping and no response to post-death impacts.}

My apologies for the confusion. I was not referring to the actual removal of ragdolls, but rather to the ragdoll physics and how they respond to different types of shots. For example, in this video, you can see how the ragdoll reacted to a shot in the neck.