Remove in-progress work that isn't working well

project.godot

@@ -70,8 +70,16 @@ Inventory={
 ]
 }
 
+[layer_names]
+
+3d_physics/layer_1="World"
+3d_physics/layer_2="Player"
+3d_physics/layer_3="Items"
+3d_physics/layer_4="Enemy"
+3d_physics/layer_5="Weapon"
+3d_physics/layer_6="Alert"
+
 [physics]
 
 3d/run_on_separate_thread=true
 common/physics_ticks_per_second=144
-3d/physics_engine="GodotPhysics3D"