Remove ILand (#4582)

* Remove ILand

* Make land not handleable

* Rename ILand

Content.Shared/Throwing/LandEvent.cs

@@ -0,0 +1,35 @@
+using JetBrains.Annotations;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Map;
+
+namespace Content.Shared.Throwing
+{
+    /// <summary>
+    ///     Raised when an entity that was thrown lands.
+    /// </summary>
+    [PublicAPI]
+    public sealed class LandEvent : EntityEventArgs
+    {
+        /// <summary>
+        ///     Entity that threw the item.
+        /// </summary>
+        public IEntity? User { get; }
+
+        /// <summary>
+        ///     Item that was thrown.
+        /// </summary>
+        public IEntity Thrown { get; }
+
+        /// <summary>
+        ///     Location where the item landed.
+        /// </summary>
+        public EntityCoordinates LandLocation { get; }
+
+        public LandEvent(IEntity? user, IEntity thrown, EntityCoordinates landLocation)
+        {
+            User = user;
+            Thrown = thrown;
+            LandLocation = landLocation;
+        }
+    }
+}