deleted GitlabGroup model in models.py

    def __str__(self):

        return self.user_identifier

class GitLabGroup(models.Model):

    """Representation of a Gitlab Group in the database. This does not

    need to be supplied by the admin; it will automatically be created if

    a project is put into the database."""

    name = models.CharField(max_length=200, null=True, blank=True, help_text=

    """IMPORTANT: GLGROUPS are AUTOMATICALLY CREATED when a project requiring

    the group has been added--so you shouldn't have to do anything here!""")

    gitlab_id = models.IntegerField(null=True, blank=True)

    description = models.TextField(null=True, blank=True)

    url = models.URLField(null=True, blank=True)

    def __str__(self):

        return self.name

class Project(models.Model):

    """Representation of a project in the database. To add a GL project 

    to the database, only the gitlab id number needs to be supplied in the