krunner: Replace custom verifier with `KCMShell.authorize`

This saves some lines.

krunner/view.cpp

@@ -342,11 +342,6 @@ void View::displayConfiguration()
     settingsDialog->show();
 }
 
-bool View::canConfigure() const
-{
-    return KAuthorized::authorizeControlModule(QStringLiteral("kcm_plasmasearch.desktop"));
-}
-
 void View::setVisible(bool visible)
 {
     m_requestedVisible = visible;

krunner/view.h

@@ -38,7 +38,6 @@ class View : public PlasmaQuick::Dialog
     Q_OBJECT
     Q_CLASSINFO("D-Bus Interface", "org.kde.krunner.App")
 
-    Q_PROPERTY(bool canConfigure READ canConfigure CONSTANT)
     Q_PROPERTY(bool pinned READ pinned WRITE setPinned NOTIFY pinnedChanged)
     Q_PROPERTY(QStringList history READ history NOTIFY historyChanged)
     // TODO KF6 This is kept for compatibility with third party themes which override the RunCommand.qml file
@@ -53,7 +52,6 @@ public:
     bool freeFloating() const;
     void setFreeFloating(bool floating);
 
-    bool canConfigure() const;
     QStringList history() const;
 
     bool pinned() const;

lookandfeel/contents/runcommand/RunCommand.qml

@@ -7,6 +7,8 @@
 import QtQuick 2.6
 import QtQuick.Layouts 1.1
 import QtQuick.Window 2.1
+
+import org.kde.kquickcontrolsaddons 2.0  // For KCMShell
 import org.kde.plasma.core 2.0 as PlasmaCore
 import org.kde.plasma.components 3.0 as PlasmaComponents3
 import org.kde.plasma.extras 2.0 as PlasmaExtras
@@ -72,7 +74,7 @@ ColumnLayout {
             }
             Accessible.name: i18nd("plasma_lookandfeel_org.kde.lookandfeel", "Configure")
             Accessible.description: i18nd("plasma_lookandfeel_org.kde.lookandfeel", "Configure KRunner Behavior")
-            visible: runnerWindow.canConfigure
+            visible: KCMShell.authorize("kcm_krunnersettings.desktop").length > 0
             PlasmaComponents3.ToolTip {
                 text: i18nd("plasma_lookandfeel_org.kde.lookandfeel", "Configure KRunner…")
             }