Remove ICollideSpecial

Handled in an ECS way by PreventCollideEvent.
The disposals one doesn't work anyway and would've required a larger refactor of disposals to fix so out of scope.

Content.Client/GameObjects/Components/Projectiles/ProjectileComponent.cs

@@ -4,16 +4,14 @@ using Robust.Shared.GameObjects;
 namespace Content.Client.GameObjects.Components.Projectiles
 {
     [RegisterComponent]
+    [ComponentReference(typeof(SharedProjectileComponent))]
     public class ProjectileComponent : SharedProjectileComponent
     {
-        protected override EntityUid Shooter => _shooter;
-        private EntityUid _shooter;
-
         public override void HandleComponentState(ComponentState? curState, ComponentState? nextState)
         {
             if (curState is ProjectileComponentState compState)
             {
-                _shooter = compState.Shooter;
+                Shooter = compState.Shooter;
                 IgnoreShooter = compState.IgnoreShooter;
             }
         }