application/Espo/Core/Utils/Config.php
public function remove($name)
    {
        if (array_key_exists($name, $this->data)) {
            unset($this->data[$name]);
            $this->removeData[] = $name;
            return true;
        }

        return null;
    }
public function remove($name)
    {
        if (array_key_exists($name, $this->data)) {
            unset($this->data[$name]);
            $this->removeData[] = $name;
            return true;
        }

        return null;
    }
public function remove ( $ name ) { if ( array_key_exists ( $ name , $ this -> data ) ) { unset ( $ this -> data [ $ name ] ) ; $ this -> removeData [ ] = $ name ; return true ; } return null ; }
Remove an option in config

@param  string $name
@return bool | null - null if an option doesn't exist
Remove an option in config