Remove ILand (#4582)

* Remove ILand

* Make land not handleable

* Rename ILand

Content.Shared/Throwing/ThrownItemSystem.cs

@@ -124,25 +124,8 @@ namespace Content.Shared.Throwing
             var user = thrownItem.Thrower;
             var coordinates = landing.Transform.Coordinates;
 
-            // LandInteraction
-            // TODO: Refactor these to system messages
             var landMsg = new LandEvent(user, landing, coordinates);
             RaiseLocalEvent(landing.Uid, landMsg);
-            if (landMsg.Handled)
-            {
-                return;
-            }
-
-            var comps = landing.GetAllComponents<ILand>().ToArray();
-            var landArgs = new LandEventArgs(user, coordinates);
-
-            // Call Land on all components that implement the interface
-            foreach (var comp in comps)
-            {
-                if (landing.Deleted) break;
-                comp.Land(landArgs);
-            }
-
             ComponentManager.RemoveComponent(landing.Uid, thrownItem);
         }