deleteField()
Overview
public any function deleteField(
      required string name    
    , required string fieldset
    , required string tab     
)
Deletes the given field. Does nothing if the field does not exist.
Arguments
| Name | Type | Required | Description | 
|---|---|---|---|
| name | string | Yes | The name of the field to delete | 
| fieldset | string | Yes | The ID of the fieldset in which the field lives | 
| tab | string | Yes | The ID of the tab in which the field lives |