This reverts commit 3b18208f13e85b356e61a95c0a261e9781403743 and is the third attempt at removing stun origin support Bug: webrtc:12132 Change-Id: Ic41a6d011fb6239907a257cc4c81ec4d2923dc4e Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/236260 Reviewed-by: Taylor Brandstetter <deadbeef@google.com> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Christoffer Jansson <jansson@google.com> Cr-Commit-Position: refs/heads/main@{#35294}