Nope, we cannot change “delete item” but you can change your flow. The delete item shouldn’t be on the signup page. I would change your onboarding following this tutorial by the brilliant Glider, @Robert_Petitto:
You can also use images instead of buttons on your landing tab - with independent screen config to make the first page more visual - although the way you have it set up works fine.
Also see this, from the amazing @ThinhDinh and you can copy it!