Remove vehicles (#24681)

* Remove wheelchairs

Vehicle code is dogwater and wheelchairs just keeps exposing edgecases. If someone wants it brought it back they can do vehicle refactor.

* Also this one

* Remove vehicles

* goodbye vehicles

* Remove this check

* sasd

* Cronch

* Add sprites back

* jani

Content.Shared/Traits/Assorted/LegsParalyzedComponent.cs

@@ -4,7 +4,6 @@ namespace Content.Shared.Traits.Assorted;
 
 /// <summary>
 /// Set player speed to zero and standing state to down, simulating leg paralysis.
-/// Used for Wheelchair bound trait.
 /// </summary>
 [RegisterComponent, NetworkedComponent, Access(typeof(LegsParalyzedSystem))]
 public sealed partial class LegsParalyzedComponent : Component