Remove packer from picklist

{
  "acceptedReturns": [
    {
      "productId": "string",
      "quantity": 0.1
    }
  ],
  "checker": "string",
  "checkingNote": "string",
  "created": "2019-08-24T14:15:22Z",
  "createdBy": "string",
  "deadline": "2019-08-24T14:15:22Z",
  "events": [
    {
      "authorId": "string",
      "date": "2019-08-24T14:15:22Z",
      "description": "string",
      "id": "string",
      "type": "CREATE"
    }
  ],
  "id": "string",
  "packer": "string",
  "picker": "string",
  "picklistType": "ORDER",
  "priority": "LOW_PRIORITY",
  "products": [
    {
      "actualQuantity": 0.1,
      "checked": true,
      "checkerComment": "string",
      "imageAssets": [
        {
          "blobId": "string",
          "created": "2019-08-24T14:15:22Z",
          "extension": "string",
          "fileSize": 0,
          "name": "string",
          "type": "IMAGE"
        }
      ],
      "markedForReturn": true,
      "packed": true,
      "picked": true,
      "productId": "string",
      "productName": "string",
      "quantity": 0.1,
      "quantityToReturn": 0.1,
      "unit": "string",
      "unitsOfMeasurement": [
        {
          "baseUnit": true,
          "cost": 0.1,
          "decimal": true,
          "isBaseUnit": true,
          "isDecimal": true,
          "name": "string",
          "quantity": 0.1,
          "salesPrice": 0.1,
          "unit": "string"
        }
      ]
    }
  ],
  "rejectedReturns": [
    {
      "batches": [
        {
          "quantity": 0.1,
          "reason": "string"
        }
      ],
      "productId": "string",
      "quantity": 0.1
    }
  ],
  "returnCompletedAt": "2019-08-24T14:15:22Z",
  "returnDeadline": "2019-08-24T14:15:22Z",
  "shipment": {
    "courier": "string",
    "deliveryDate": "2019-08-24T14:15:22Z",
    "destinationAddress": "string",
    "dimensions": "string",
    "labelHasBeenPrinted": true,
    "packingNote": "string",
    "shippingDate": "2019-08-24T14:15:22Z",
    "shippingMethod": "string",
    "shippingNote": "string",
    "stockSiteAddress": "string",
    "trackingNumber": "string",
    "trackingUrl": "string",
    "weight": "string"
  },
  "sourceId": "string",
  "status": "READY_TO_PICK",
  "stockSiteId": "string",
  "subsidiaryId": "string",
  "tenantId": "string",
  "updated": "2019-08-24T14:15:22Z",
  "updatedBy": "string"
}

{
  "detail": "string",
  "time": "2019-08-24T14:15:22Z",
  "title": "string"
}

{
  "detail": "string",
  "time": "2019-08-24T14:15:22Z",
  "title": "string"
}

{
  "detail": "string",
  "time": "2019-08-24T14:15:22Z",
  "title": "string"
}

{
  "detail": "string",
  "time": "2019-08-24T14:15:22Z",
  "title": "string"
}