refactor(element): set schema.type once
refactor(element): set schema.type once

Was unnecessarily setting the schema.type twice. This is already done in the
defaultComponent function.

bas080/aurelia-form,RWOverdijk/aurelia-form,SpoonX/aurelia-form,bas080/aurelia-form,SpoonX/aurelia-form,RWOverdijk/aurelia-form