<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def remove_transcript_preferences(course_id):
 """ Deletes course-wide transcript preferences. Arguments: course_id(str):
 course id """

    try:
        transcript_preference = TranscriptPreference.objects.get(course_id=course_id)
        transcript_preference.delete()
    except TranscriptPreference.DoesNotExist:
        pass