Delete wavoip project

Summary:
We migrated to waclient orchestrator, wavoip project can be removed now from citadel codebase.
https://fburl.com/sandcastle/lgwjb7kw

Reviewed By: 8Keep

Differential Revision: D74469955

fbshipit-source-id: f241f36b0f26503df57e46d665bab0ffe19bfcaa

Author: Ivan Balaksha

td_util/src/project.rs

@@ -39,7 +39,6 @@ pub enum TdProject {
     Waclient,
     Waios,
     Waserver,
-    Wavoip,
     Www,
     Xplat,
     Fasttrack,