message: adjust wording/grammar in deletion confirmation
diff: @@ -149,7 +149,7 @@ export default function SortableContainer({
  </button>
  <button
  onClick={() => {
  - if (window.confirm("Are you sure to delete?")) {
  + if (window.confirm("Are you sure you want to delete this?")) {
  const index = formData.findIndex(
  data => field.name === data.name
  )
  @@ -182,7 +182,7 @@ export default function SortableContainer({
  <EditPanel>
  <button
  onClick={() => {
  - if (window.confirm("Are you sure to delete all fields?")) {
  + if (window.confirm("Are you sure you want to delete all fields?")) {
  updateFormData([])
  }
  }}
  