remove DataEngine::init()

with only one ctor is not necessary anymore

src/plasma/dataengine.cpp

@@ -52,6 +52,14 @@ DataEngine::DataEngine(const KPluginInfo &plugin, QObject *parent)
     : QObject(parent),
       d(new DataEnginePrivate(this, plugin))
 {
+    if (d->script) {
+        d->setupScriptSupport();
+        d->script->init();
+    } else {
+        // kDebug() << "called";
+        // default implementation does nothing. this is for engines that have to
+        // start things in motion external to themselves before they can work
+    }
 }
 
 DataEngine::~DataEngine()
@@ -130,18 +138,6 @@ DataContainer *DataEngine::containerForSource(const QString &source)
     return d->source(source, false);
 }
 
-void DataEngine::init()
-{
-    if (d->script) {
-        d->setupScriptSupport();
-        d->script->init();
-    } else {
-        // kDebug() << "called";
-        // default implementation does nothing. this is for engines that have to
-        // start things in motion external to themselves before they can work
-    }
-}
-
 bool DataEngine::sourceRequestEvent(const QString &name)
 {
     if (d->script) {

src/plasma/dataengine.h

@@ -75,17 +75,6 @@ class PLASMA_EXPORT DataEngine : public QObject
 
         ~DataEngine();
 
-        /**
-         * This method is called when the DataEngine is started. When this
-         * method is called the DataEngine is fully constructed and ready to be
-         * used. This method should be reimplemented by DataEngine subclasses
-         * which need to perform a startup routine.
-         *
-         * The default implementation does nothing. Reimplementations in
-         * subclasses don't need to call this one.
-         **/
-        virtual void init();
-
         /**
          * @return a list of all the data sources available via this DataEngine
          *         Whether these sources are currently available (which is what

src/plasma/private/dataenginemanager.cpp

@@ -138,7 +138,6 @@ Plasma::DataEngine *DataEngineManager::loadEngine(const QString &name)
         return d->nullEngine();
     }
 
-    engine->init();
     d->engines[name] = engine;
     return engine;
 }