Fix unused parameter warnings in empty override functions by omitting parameter names (#8174)

* Initial plan

* Fix unused parameter warnings in empty override functions

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

* Omit parameter names in empty override functions instead of casting to void

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

src/ast/converters/equiv_proof_converter.h

@@ -44,6 +44,6 @@ public:
 
     ast_manager& get_manager() { return m; }
 
-    void display(std::ostream & out) override {}
+    void display(std::ostream &) override { }
 };
 

src/ast/converters/generic_model_converter.h

@@ -50,7 +50,7 @@ public:
 
     void add(expr * d, expr* e) { SASSERT(is_app(d) && to_app(d)->get_num_args() == 0); add(to_app(d)->get_decl(), e); }
     
-    void operator()(labels_vec & labels) override {}
+    void operator()(labels_vec &) override { }
     
     void operator()(model_ref & md) override;
 

src/ast/converters/horn_subsume_model_converter.h

@@ -76,7 +76,7 @@ public:
 
     ast_manager& get_manager() { return m; }
 
-    void display(std::ostream & out) override {}
+    void display(std::ostream &) override { }
 
     void get_units(obj_map<expr, bool>& units) override { units.reset(); }
 

src/ast/converters/replace_proof_converter.h

@@ -42,7 +42,7 @@ public:
     // run the replacements the inverse direction.
     void invert() { m_proofs.reverse(); }
 
-    void display(std::ostream & out) override {}
+    void display(std::ostream &) override { }
 
 };