manual_stepper: Revert "manual_stepper: Add basic status. (#6527)"

This reverts commit b029d04668.

The MCU_Stepper class does not have a is_motor_enabled() method, so
the change above results in an internal exception.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

klippy/extras/manual_stepper.py

@@ -104,11 +104,6 @@ class ManualStepper:
             self.do_move(movepos, speed, accel, sync)
         elif gcmd.get_int('SYNC', 0):
             self.sync_print_time()
-
-    def get_status(self, eventtime):
-        return {'position': self.rail.get_commanded_position(),
-                'enabled': self.steppers[0].is_motor_enabled()}
-
     # Toolhead wrappers to support homing
     def flush_step_generation(self):
         self.sync_print_time()