public function removeField($field)
    {
        if (isset($this->rules[$field])) {
            unset($this->rules[$field]);
            return true;
        }
        return false;
    }
public function removeField($field)
    {
        if (isset($this->rules[$field])) {
            unset($this->rules[$field]);
            return true;
        }
        return false;
    }
public function removeField ( $ field ) { if ( isset ( $ this -> rules [ $ field ] ) ) { unset ( $ this -> rules [ $ field ] ) ; return true ; } return false ; }
Removes the validate field

@param string $field
@return bool
Removes the validate field