powerdevil runner: Remove unneeded DBus signal listener

The capabilities come from upower, the powerdevil config reloaded event does
not change these capabilities.

runners/powerdevil/PowerDevilRunner.cpp

@@ -40,7 +40,6 @@ PowerDevilRunner::PowerDevilRunner(QObject *parent, const KPluginMetaData &metaD
 {
     setObjectName(QStringLiteral("PowerDevil"));
     updateStatus();
-    initUpdateTriggers();
     setMinLetterCount(3);
     const KLocalizedString suspend = ki18nc("Note this is a KRunner keyword", "suspend");
     m_suspend = RunnerKeyword{suspend.untranslatedText(), suspend.toString()};
@@ -85,22 +84,6 @@ PowerDevilRunner::~PowerDevilRunner()
 {
 }
 
-void PowerDevilRunner::initUpdateTriggers()
-{
-    // Also receive updates triggered through the DBus
-    QDBusConnection dbus = QDBusConnection::sessionBus();
-    if (dbus.interface()->isServiceRegistered(QStringLiteral("org.kde.Solid.PowerManagement"))) {
-        if (!dbus.connect(QStringLiteral("org.kde.Solid.PowerManagement"),
-                          QStringLiteral("/org/kde/Solid/PowerManagement"),
-                          QStringLiteral("org.kde.Solid.PowerManagement"),
-                          QStringLiteral("configurationReloaded"),
-                          this,
-                          SLOT(updateStatus()))) {
-            qDebug() << "error!";
-        }
-    }
-}
-
 void PowerDevilRunner::updateStatus()
 {
     updateSyntaxes();

runners/powerdevil/PowerDevilRunner.h

@@ -45,7 +45,6 @@ private Q_SLOTS:
     void updateStatus();
 
 private:
-    void initUpdateTriggers();
     void updateSyntaxes();
     void addSuspendMatch(int value, QList<Plasma::QueryMatch> &matches, Plasma::QueryMatch::Type type);
     // Returns -1 if there is no match, otherwise the percentage that the user has entered