remove unnecessary line included in 0ff7a9d2

src/ModelTree.hh

@@ -350,8 +350,6 @@ public:
   void addEquation(expr_t eq, int lineno);
   //! Declare a node as an equation of the model, also giving its tags
   void addEquation(expr_t eq, int lineno, const vector<pair<string, string>> &eq_tags);
-  //! Add equation tags to equation tag table
-  void addEquationTagsToTable(const vector<pair<string, string>> &eq_tags);
   //! Declare a node as an auxiliary equation of the model, adding it at the end of the list of auxiliary equations
   void addAuxEquation(expr_t eq);
   //! Returns the number of equations in the model