Unrevert audio (#21330)

Co-authored-by: Pieter-Jan Briers <pieterjan.briers@gmail.com>

Content.Server/GameTicking/Rules/RevolutionaryRuleSystem.cs

@@ -24,6 +24,7 @@ using Content.Shared.Revolutionary.Components;
 using Content.Shared.Roles;
 using Content.Shared.Stunnable;
 using Content.Shared.Zombies;
+using Robust.Server.Audio;
 using Robust.Server.GameObjects;
 using Robust.Shared.Timing;