get rid of m_wallpaperConfigDirty

wallpaper changes are handled at runtime now and this had become a bunch
of noops and setting of variables for no particular reason

shell/scripting/applet.cpp

@@ -38,8 +38,7 @@ class Applet::Private
 public:
     Private()
         : configDirty(false),
-          inWallpaperConfig(false),
+          inWallpaperConfig(false)
-          wallpaperConfigDirty(false)
     {
     }
 
@@ -49,7 +48,6 @@ public:
     QStringList globalConfigGroupPath;
     bool configDirty : 1;
     bool inWallpaperConfig : 1;
-    bool wallpaperConfigDirty : 1;
 };
 
 Applet::Applet(QObject *parent)
@@ -118,16 +116,14 @@ void Applet::writeConfig(const QString &key, const QVariant &value)
 {
     if (d->configGroup.isValid()) {
         if (d->inWallpaperConfig) {
-            d->wallpaperConfigDirty = true;
             //hacky, but only way to make the wallpaper react immediately
             QObject *wallpaperGraphicsObject = applet()->property("wallpaperGraphicsObject").value<QObject *>();
-
             if (wallpaperGraphicsObject) {
                 KDeclarative::ConfigPropertyMap *config = static_cast<KDeclarative::ConfigPropertyMap *>(wallpaperGraphicsObject->property("configuration").value<QObject *>());
                 config->setProperty(key.toLatin1(), value);
             }
-        //check if it can be written in the applets' configScheme
         } else if (applet()->configScheme()) {
+            //check if it can be written in the applets' configScheme
             KConfigSkeletonItem *item = applet()->configScheme()->findItemByName(key);
             if (item) {
                 item->setProperty(value);
@@ -275,11 +271,6 @@ bool Applet::locked() const
     return app->immutability() != Plasma::Types::Mutable;
 }
 
-bool Applet::wallpaperConfigDirty() const
-{
-    return d->wallpaperConfigDirty;
-}
-
 Plasma::Applet *Applet::applet() const
 {
     return 0;

shell/scripting/applet.h

@@ -60,8 +60,6 @@ public:
     void setLocked(bool locked);
     bool locked() const;
 
-    bool wallpaperConfigDirty() const;
-
     virtual Plasma::Applet *applet() const;
 
 protected:

shell/scripting/containment.cpp

@@ -63,14 +63,11 @@ Containment::~Containment()
         if (d->oldWallpaperPlugin != d->wallpaperPlugin ||
             d->oldWallpaperMode != d->wallpaperMode) {
             containment->setWallpaper(d->wallpaperPlugin);
-        } else if (wallpaperConfigDirty()) {
-            KConfigGroup cg(containment->config());
-            cg = KConfigGroup(&cg, "Wallpaper");
-            cg = KConfigGroup(&cg, containment->wallpaper());
         }
     }
 
     reloadConfigIfNeeded();
+
     delete d;
 }