Usage info
This method disables an existing User Group.
The team_id is only relevant when using an org-level token. This field will be ignored if the API call is sent using a workspace-level token.
Response
    {
        "ok": true,
        "usergroup": {
            "id": "S0615G0KT",
            "team_id": "T060RNRCH",
            "is_usergroup": true,
            "name": "Marketing Team",
            "description": "Marketing gurus, PR experts and product advocates.",
            "handle": "marketing-team",
            "is_external": false,
            "date_create": 1446746793,
            "date_update": 1446747568,
            "date_delete": 1446747568,
            "auto_type": null,
            "created_by": "U060RNRCZ",
            "updated_by": "U060RNRCZ",
            "deleted_by": "U060RNRCZ",
            "prefs": {
                "channels": [
                ],
                "groups": [
                ]
            },
            "user_count": "0"
        }
    }
When a User Group has been disabled its date_delete parameter will be non-zero.