Minor comp message removal (#6733)

Content.Server/Climbing/ClimbSystem.cs

@@ -5,6 +5,7 @@ using Content.Server.Climbing.Components;
 using Content.Server.Popups;
 using Content.Server.Stunnable;
 using Content.Shared.ActionBlocker;
+using Content.Shared.Buckle.Components;
 using Content.Shared.Climbing;
 using Content.Shared.Damage;
 using Content.Shared.GameTicking;
@@ -33,6 +34,7 @@ namespace Content.Server.Climbing
 
             SubscribeLocalEvent<RoundRestartCleanupEvent>(Reset);
             SubscribeLocalEvent<ClimbableComponent, GetVerbsEvent<AlternativeVerb>>(AddClimbVerb);
+            SubscribeLocalEvent<ClimbingComponent, BuckleChangeEvent>(OnBuckleChange);
             SubscribeLocalEvent<GlassTableComponent, ClimbedOnEvent>(OnGlassClimbed);
         }
 
@@ -62,6 +64,12 @@ namespace Content.Server.Climbing
             args.Verbs.Add(verb);
         }
 
+        private void OnBuckleChange(EntityUid uid, ClimbingComponent component, BuckleChangeEvent args)
+        {
+            if (args.Buckling)
+                component.IsClimbing = false;
+        }
+
         private void OnGlassClimbed(EntityUid uid, GlassTableComponent component, ClimbedOnEvent args)
         {
             _damageableSystem.TryChangeDamage(args.Climber, component.ClimberDamage);

Content.Server/Climbing/Components/ClimbingComponent.cs

@@ -53,22 +53,6 @@ namespace Content.Server.Climbing.Components
             }
         }
 
-        [Obsolete("Component Messages are deprecated, use Entity Events instead.")]
-        public override void HandleMessage(ComponentMessage message, IComponent? component)
-        {
-#pragma warning disable 618
-            base.HandleMessage(message, component);
-#pragma warning restore 618
-            switch (message)
-            {
-                case BuckleMessage msg:
-                    if (msg.Buckled)
-                        IsClimbing = false;
-
-                    break;
-            }
-        }
-
         /// <summary>
         /// Make the owner climb from one point to another
         /// </summary>