Fixed server termination crash. However, network games are still not properly terminated.

src/net/common/serverlobbythread.cpp

@@ -518,10 +518,6 @@ ServerLobbyThread::Main()
 		GetCallback().SignalNetServerError(e.GetErrorId(), e.GetOsErrorCode());
 		LOG_ERROR(e.what());
 	}
-
-	// Remove all sessions.
-	m_gameSessionManager.Clear();
-	m_sessionManager.Clear();
 }
 
 void

src/net/common/sessionmanager.cpp

@@ -31,7 +31,6 @@ SessionManager::SessionManager()
 
 SessionManager::~SessionManager()
 {
-	Clear();
 }
 
 bool