message: fix num_rhs documentation
diff: @@ -111,11 +111,8 @@ public:
  /**
  * Number of right hand sides.
  *
  - * @note This value is currently a dummy value which is not used by the
  - * analysis step. It is possible that future algorithms (cusparse
  - * csrsm2) make use of the number of right hand sides for a more
  - * sophisticated implementation. Hence this parameter is left
  - * here. But currently, there is no need to use it.
  + * @note This value is currently only required for the CUDA
  + * trisolve_algorithm::sparselib algorithm.
  */
  gko::size_type GKO_FACTORY_PARAMETER_SCALAR(num_rhs, 1u);
  @@ -264,11 +261,8 @@ public:
  /**
  * Number of right hand sides.
  *
  - * @note This value is currently a dummy value which is not used by the
  - * analysis step. It is possible that future algorithms (cusparse
  - * csrsm2) make use of the number of right hand sides for a more
  - * sophisticated implementation. Hence this parameter is left
  - * here. But currently, there is no need to use it.
  + * @note This value is currently only required for the CUDA
  + * trisolve_algorithm::sparselib algorithm.
  */
  gko::size_type GKO_FACTORY_PARAMETER_SCALAR(num_rhs, 1u);
  