algo/constraints: remove specialization for RigidConstraintModelTpl

Author: jcarpent

include/pinocchio/algorithm/constraints/constraint-ordering.hxx

@@ -34,15 +34,6 @@ namespace pinocchio
       algo_step(cmodel.derived(), model, data);
     }
 
-    template<typename ConstraintModel>
-    static void algo_step(
-      const RigidConstraintModelTpl<ConstraintModel> & cmodel, const Model & model, Data & data)
-    {
-      PINOCCHIO_UNUSED_VARIABLE(cmodel);
-      PINOCCHIO_UNUSED_VARIABLE(model);
-      PINOCCHIO_UNUSED_VARIABLE(data);
-    }
-
     template<typename ConstraintModel>
     static void algo_step(
       const KinematicsConstraintModelBase<ConstraintModel> & cmodel,