Remove extranous command option

[bjester]

Summary

• Removes extraneous option start_stage being passed to the sync_proceed_to command, since it doesn't accept it

Errors

Resolves the following error which might occur with newer versions of Django (?)

ERROR    2024-08-15 20:02:52,486 Job fcaf8877e32f4222953e950b5f1bde1d raised an exception: Traceback (most recent call last):
  File "/datos/le/mio/kolibri-data-portal/venv/lib/python3.10/site-packages/kolibri/core/tasks/job.py", line 326, in execute
    result = func(*args, **kwargs)
  File "/datos/le/mio/kolibri-data-portal/venv/lib/python3.10/site-packages/kolibri/dist/django/core/management/__init__.py", line 168, in call_command
    raise TypeError(
TypeError: Unknown option(s) for sync_proceed_to command: start_stage. Valid options are: capabilities, force_color, help, id, no_color, pythonpath, settings, skip_checks, stderr, stdout, target_stage, traceback, verbosity, version.

[jredrejo]

Thanks, problem solved!