public function delete($conditions, $params = array()){
        return $this->db->builder()->delete($this->table, $conditions, $params);
    }
public function delete($conditions, $params = array()){
        return $this->db->builder()->delete($this->table, $conditions, $params);
    }
public function delete ( $ conditions , $ params = array ( ) ) { return $ this -> db -> builder ( ) -> delete ( $ this -> table , $ conditions , $ params ) ; }
Delete with condition

@param string|array $conditioins
@param array $params
@return int|boolean
Delete with condition