platform_engineering_services user has no profile

[sentry-io]

This is causing a couple of errors every day, on mitx-qa.mitx.mit.edu and possibly elsewhere. Can we clean up this user?

User.profile.RelatedObjectDoesNotExist: User has no profile.

Sentry Issue: OPENEDX-RESIDENTIAL-9VP

CohortMembership.DoesNotExist: CohortMembership matching query does not exist.
  File "django/db/models/query.py", line 916, in get_or_create
    return self.get(**kwargs), False
  File "django/db/models/query.py", line 637, in get
    raise self.model.DoesNotExist(

User.profile.RelatedObjectDoesNotExist: User has no profile.
(16 additional frame(s) were not displayed)
...
  File "openedx/core/djangoapps/content/learning_sequences/api/processors/cohort_partition_groups.py", line 41, in load_data
    user_cohort = get_cohort(self.user, self.course_key)
  File "openedx/core/djangoapps/course_groups/cohorts.py", line 260, in get_cohort
    add_user_to_cohort(course_user_group, user)
  File "openedx/core/djangoapps/course_groups/cohorts.py", line 464, in add_user_to_cohort
    membership, previous_cohort = CohortMembership.assign(cohort, user)
  File "openedx/core/djangoapps/course_groups/models.py", line 128, in assign
    membership, created = cls.objects.select_for_update().get_or_create(
  File "openedx/core/djangoapps/course_groups/models.py", line 172, in save
    name=self.user.profile.name,