These tests were likely made back when PacketRouter was iterating over
the RTP modules to find the correct to send on. Now that this is just
a DCHECK, it's already implicitly covered by other tests that actually
test the respective packet type functionality. Let's thus just remove
these old tests.
Bug: webrtc:11340
Change-Id: I244ca7e365378f4e48a601464b5df0e1d07732be
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/219621
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#34116}
238da9a57e