removed the PhysicsSamples "Single Ragdoll" scene, which was broken in the current version; it will be restored later

Author: BrianWill

PhysicsSamples/README.md

@@ -41,7 +41,6 @@ Scene                                                         | Description
 | 8. Joints and Motors /<br> Joints - Parade                           | All joint types                                  | ![Demo Image](READMEimages/joints_parade.gif)                                    |
 | 8. Joints and Motors /<br> Joints - Limit DOF                                | Limiting degrees of freedom                        | ![Demo Image](READMEimages/limit_dof.gif)                                        |
 | 8. Joints and Motors /<br> Joints - Ragdolls                                  | Obligatory stack of ragdolls                                    | ![Ragdoll](READMEimages/ragdoll.gif)                      |
-| 8. Joints and Motors /<br> Joints - Single Ragdoll                     | A ragdoll built with the [Ragdoll Wizard](https://docs.unity3d.com/Manual/wizard-RagdollWizard.html) | ![Demo Image](READMEimages/single_ragdoll.gif) |
 | 8. Joints and Motors /<br> Motors - Parade                       | All motor types                                        | ![Demo Image](READMEimages/all_motors_parade.gif)                                |
 | 8. Joints and Motors /<br> Motors - Position                          | Position motors                                          | ![Demo Image](READMEimages/position_motor.gif)                                   |
 | 8. Joints and Motors /<br> Motors - Linear Velocity                  | Linear velocity motors                                        | ![Demo Image](READMEimages/linear_velocity_motor.gif)                            |