Revert "Physics (#3452)"

This reverts commit 3e64fd56a1.

Content.Shared/GameObjects/Components/Movement/IMoverComponent.cs

@@ -19,6 +19,17 @@ namespace Content.Shared.GameObjects.Components.Movement
         /// </summary>
         float CurrentSprintSpeed { get; }
 
+
+        /// <summary>
+        ///     The movement speed (m/s) of the entity when it pushes off of a solid object in zero gravity.
+        /// </summary>
+        float CurrentPushSpeed { get; }
+
+        /// <summary>
+        ///     How far an entity can reach (in meters) to grab hold of a solid object in zero gravity.
+        /// </summary>
+        float GrabRange { get; }
+
         /// <summary>
         ///     Is the entity Sprinting (running)?
         /// </summary>
@@ -29,6 +40,10 @@ namespace Content.Shared.GameObjects.Components.Movement
         /// </summary>
         (Vector2 walking, Vector2 sprinting) VelocityDir { get; }
 
+        EntityCoordinates LastPosition { get; set; }
+
+        float StepSoundDistance { get; set; }
+
         /// <summary>
         ///     Toggles one of the four cardinal directions. Each of the four directions are
         ///     composed into a single direction vector, <see cref="SharedPlayerInputMoverComponent.VelocityDir"/>. Enabling
@@ -40,5 +55,6 @@ namespace Content.Shared.GameObjects.Components.Movement
         void SetVelocityDirection(Direction direction, ushort subTick, bool enabled);
 
         void SetSprinting(ushort subTick, bool walking);
+
     }
 }