message: Remove unnecessary `class` keyword (suggestion from review)
diff: @@ -83,7 +83,7 @@ public:
  private:
  Array<int> ess_tdofs;
  const Operator *P;
  - class UnconstrainedMFEMCeedOperator *unconstrained_op;
  + UnconstrainedMFEMCeedOperator *unconstrained_op;
  ConstrainedOperator *constrained_op;
  };
  