Problem: destructors of tcp_connecter_t, ipc_connecter_t, tipc_connecter_t contain duplicated code

Solution: pull up to stream_connecter_base_t

src/tipc_connecter.hpp

@@ -49,7 +49,6 @@ class tipc_connecter_t : public stream_connecter_base_t
                       const options_t &options_,
                       address_t *addr_,
                       bool delayed_start_);
-    ~tipc_connecter_t ();
 
   private:
     //  ID of the timer used to delay the reconnection.