Revert "Actions Rework" (#6888)

Content.Server/Act/IDisarmedAct.cs

@@ -1,6 +1,30 @@
+using System;
+using Robust.Shared.Analyzers;
+using Robust.Shared.GameObjects;
+
 namespace Content.Server.Act
 {
-    public sealed class DisarmedEvent : HandledEntityEventArgs
+    /// <summary>
+    ///     Implements behavior when an entity is disarmed.
+    /// </summary>
+    [RequiresExplicitImplementation, Obsolete("Use the directed event instead.")]
+    public interface IDisarmedAct
+    {
+        /// <summary>
+        ///     Behavior when the entity is disarmed.
+        ///     Return true to prevent the default disarm behavior,
+        ///     or rest of IDisarmedAct behaviors that come after this one from happening.
+        /// </summary>
+        bool Disarmed(DisarmedActEvent @event);
+
+        /// <summary>
+        ///     Priority for this disarm act.
+        ///     Used to determine act execution order.
+        /// </summary>
+        int Priority => 0;
+    }
+
+    public sealed class DisarmedActEvent : HandledEntityEventArgs
     {
         /// <summary>
         ///     The entity being disarmed.