clean out an unused method

Author: Daniel Kroening

src/goto-symex/goto_symex_state.cpp

@@ -34,21 +34,6 @@ goto_symex_statet::goto_symex_statet():
 
 goto_symex_statet::~goto_symex_statet()=default;
 
-void goto_symex_statet::initialize(const goto_functionst &goto_functions)
-{
-  goto_functionst::function_mapt::const_iterator it=
-    goto_functions.function_map.find(goto_functionst::entry_point());
-
-  if(it==goto_functions.function_map.end())
-    throw "program has no entry point";
-
-  const goto_programt &body=it->second.body;
-
-  source=symex_targett::sourcet(body);
-  top().end_of_function=--body.instructions.end();
-  top().calling_location.pc=top().end_of_function;
-}
-
 void goto_symex_statet::level0t::operator()(
   ssa_exprt &ssa_expr,
   const namespacet &ns,

src/goto-symex/goto_symex_state.h

@@ -42,8 +42,6 @@ class goto_symex_statet final
   symex_targett::sourcet source;
   symex_targett *symex_target;
 
-  void initialize(const goto_functionst &goto_functions);
-
   // we have a two-level renaming
 
   typedef std::map<irep_idt, irep_idt> original_identifierst;