Remove IThrown (#6375)

Content.Shared/Throwing/IThrown.cs

@@ -1,30 +1,8 @@
-using System;
 using JetBrains.Annotations;
-using Robust.Shared.Analyzers;
 using Robust.Shared.GameObjects;
 
 namespace Content.Shared.Throwing
 {
-    /// <summary>
-    ///     This interface gives components behavior when thrown.
-    /// </summary>
-    [RequiresExplicitImplementation]
-    public interface IThrown
-    {
-        [Obsolete("Use ThrownMessage instead")]
-        void Thrown(ThrownEventArgs eventArgs);
-    }
-
-    public class ThrownEventArgs : EventArgs
-    {
-        public ThrownEventArgs(EntityUid user)
-        {
-            User = user;
-        }
-
-        public EntityUid User { get; }
-    }
-
     /// <summary>
     ///     Raised when throwing the entity in your hands.
     /// </summary>