code refactoring

sim/simx/archdef.h

@@ -21,8 +21,7 @@ private:
   uint16_t num_barriers_;
   
 public:
-  ArchDef(const std::string& /*arch*/,
-          uint16_t num_cores, 
+  ArchDef(uint16_t num_cores, 
           uint16_t num_warps, 
           uint16_t num_threads)   
     : num_cores_(num_cores)
@@ -67,4 +66,5 @@ public:
     return num_cores_;
   }
 };
+
 }