Unrevert audio (#21330)

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

Content.Server/Fluids/EntitySystems/SpraySystem.cs

@@ -12,6 +12,8 @@ using Content.Shared.FixedPoint;
 using Content.Shared.Interaction;
 using Content.Shared.Vapor;
 using Robust.Server.GameObjects;
+using Robust.Shared.Audio;
+using Robust.Shared.Audio.Systems;
 using Robust.Shared.Physics.Components;
 using Robust.Shared.Prototypes;
 using Robust.Shared.Timing;