message: cleanup unused argument
  This was leftover bits from an earlier refactor
diff: @@ -63,11 +63,9 @@ export default class Fixtures {
  destructionList = destructionList.concat(createdModels.reverse());
  }
  - for (let [index, item] of destructionList.entries()) {
  + for (let item of destructionList) {
  if (!item.type) { continue; }
  - let isLast = index === destructionList.length - 1;
  -
  if (item.id) {
  let response = await fetch(`${hubURL}/api/${encodeURIComponent(item.type)}/${encodeURIComponent(item.id)}`, {
  method: 'GET',
  @@ -80,7 +78,7 @@ export default class Fixtures {
  if (response.status !== 200) { continue; }
  let { data:model } = await response.json();
  - await this._deleteModel(model, isLast);
  + await this._deleteModel(model);
  } else {
  let response = await fetch(`${hubURL}/api/${encodeURIComponent(item.type)}`, {
  method: 'GET',
  @@ -94,7 +92,7 @@ export default class Fixtures {
  let { data:models } = await response.json();
  for (let model of models) {
  - await this._deleteModel(model, isLast);
  + await this._deleteModel(model);
  }
  }
  }
  