message: Remove incorrect using declaration and inheritance of `EnableLogging` in `LinOpFactory`.
diff: @@ -348,11 +348,8 @@ private:
  * ```
  */
  class LinOpFactory
  - : public AbstractFactory<LinOp, std::shared_ptr<const LinOp>>,
  - public log::EnableLogging<LinOpFactory> {
  + : public AbstractFactory<LinOp, std::shared_ptr<const LinOp>> {
  public:
  - using log::EnableLogging<LinOpFactory>::log;
  - using log::EnableLogging<LinOpFactory>::add_logger;
  using AbstractFactory<LinOp, std::shared_ptr<const LinOp>>::AbstractFactory;
  std::unique_ptr<LinOp> generate(std::shared_ptr<const LinOp> input) const
  