physics: Remove unused wrist_component member

Author: auscompgeek

physics.py

@@ -181,7 +181,6 @@ def __init__(self, physics_controller: PhysicsInterface, robot: MyRobot):
         self.floor_intake = robot.floor_intake
         self.reef_intake = robot.reef_intake
         self.algae_shooter = robot.algae_shooter
-        self.wrist_component = robot.wrist
 
     def update_sim(self, now: float, tm_diff: float) -> None:
         # Enable the Phoenix6 simulated devices