Remove Game::SetZmqEndpoint.

The method Game::SetZmqEndpoint is never used, and should also not be
used.  Instead, the ZMQ endpoint should be auto-detected from Xaya Core
using DetectZmqEndpoint (as it is in the default main).

xayagame/game.cpp

@@ -460,7 +460,7 @@ Game::DetectZmqEndpoint ()
         const std::string endpoint = val.get ("address", "").asString ();
         CHECK (!endpoint.empty ());
         LOG (INFO) << "Detected ZMQ endpoint: " << endpoint;
-        SetZmqEndpoint (endpoint);
+        zmq.SetEndpoint (endpoint);
         return true;
       }
 

xayagame/game.hpp

@@ -283,17 +283,6 @@ class Game : private internal::ZmqListener
    */
   void EnablePruning (unsigned nBlocks);
 
-  /**
-   * Sets the ZMQ endpoint that will be used to connect to the ZMQ interface
-   * of the Xaya daemon.  Must not be called anymore after Start() or
-   * Run() have been called.
-   */
-  void
-  SetZmqEndpoint (const std::string& addr)
-  {
-    zmq.SetEndpoint (addr);
-  }
-
   /**
    * Detects the ZMQ endpoint by calling getzmqnotifications on the Xaya
    * daemon.  Returns false if pubgameblocks is not enabled.