Climbing changes (#2236)

Climbing now can't be done if you're already climbing. Rest of the changes are just formatting.

I also removed the buckle messages as they were being duplicated for click-drag.

Co-authored-by: Metal Gear Sloth <metalgearsloth@gmail.com>

Content.Server/GameObjects/EntitySystems/ClimbSystem.cs

@@ -11,7 +11,7 @@ namespace Content.Server.GameObjects.EntitySystems
         {
             foreach (var comp in ComponentManager.EntityQuery<ClimbingComponent>())
             {
-                comp.Update(frameTime);
+                comp.Update();
             }
         }
     }