(svn r13433) -Codechange: remove a now useless global variable.

-Fix: MP advertising was not advertising.

src/network/network.h

@@ -16,7 +16,6 @@ extern bool _networking;         ///< are we in networking mode?
 extern bool _network_server;     ///< network-server is active
 extern bool _network_available;  ///< is network mode available?
 extern bool _network_dedicated;  ///< are we a dedicated server?
-extern bool _network_advertise;  ///< is the server advertising to the master server?
 extern bool _is_network_server;  ///< Does this client wants to be a network-server?
 
 #else /* ENABLE_NETWORK */
@@ -29,7 +28,6 @@ static inline void NetworkShutDown() {}
 #define _network_server 0
 #define _network_available 0
 #define _network_dedicated 0
-#define _network_advertise 0
 #define _is_network_server 0
 
 #endif /* ENABLE_NETWORK */