Remove unused field

x11client.cpp

@@ -186,9 +186,6 @@ X11Client::~X11Client()
     Q_ASSERT(m_wrapper == XCB_WINDOW_NONE);
     Q_ASSERT(m_frame == XCB_WINDOW_NONE);
     Q_ASSERT(!check_active_modal);
-    for (auto it = m_connections.constBegin(); it != m_connections.constEnd(); ++it) {
-        disconnect(*it);
-    }
 }
 
 // Use destroyClient() or releaseWindow(), Client instances cannot be deleted directly

x11client.h

@@ -514,8 +514,6 @@ private:
 
     QTimer *m_focusOutTimer;
 
-    QList<QMetaObject::Connection> m_connections;
-
     QMetaObject::Connection m_edgeRemoveConnection;
     QMetaObject::Connection m_edgeGeometryTrackingConnection;