Deleted controller declaration in TypeAheadField

[LeonardoALARCON]

Deleted the controller declaration in the type ahead field example, this way the field has the initial value shown.

Connection with issue(s)

Close #91

Solution description

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To Do

• Read contributing guide
• Check the original issue to confirm it is fully satisfied
• Add solution description to help guide reviewers
• [NA] Add unit test to verify new or fixed behaviour
• [NA] If apply, add documentation to code properties and package readme

[deandreamatias]

I think that the controller should be a parameter of FormBuilderTypeAhead or handle the initial value like other form field do