Niels Möller 517d8a073a Delete unused enum ProtectionType
Unused since cl https://codereview.webrtc.org/2999063002 (#19665).

Bug: webrtc:7694
Change-Id: Ie8e87fc32a7b2f8000e85bdd33c2346477058b0c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/140120
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28161}
2019-06-05 08:42:01 +00:00
..
2019-06-05 08:42:01 +00:00
2017-09-15 04:25:06 +00:00