If you want to create a universal analytics property only, you have to do the following in the Create property setup:

  • Click Show advanced options (below the property-setup fields).
  • Turn on the switch for Create a Universal Analytics property.
  • Select Create a Universal Analytics property only option.
  • Fill in the other fields and click Create.

See https://support.google.com/analytics/answer/10269537?hl=en for further details.