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

This reverts commit b029d04.

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>

docs/Status_Reference.md

@@ -293,13 +293,6 @@ understands it).
 - `z_position_lower`: Last probe attempt just lower than the current height.
 - `z_position_upper`: Last probe attempt just greater than the current height.
 
-## manual_stepper
-
-The following information is available in the
-`manual_stepper` object:
-- `enabled`: Returns True if the stepper is currently enabled.
-- `position`: The requested position.
-
 ## mcu
 
 The following information is available in

klippy/extras/manual_stepper.py

@@ -104,11 +104,6 @@ def cmd_MANUAL_STEPPER(self, gcmd):
             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()