Use override as we already use it in repo

kcmtranslations.h

@@ -47,10 +47,10 @@ public:
     KCMTranslations(QWidget *parent, const QVariantList &);
     virtual ~KCMTranslations();
 
-    void load() Q_DECL_OVERRIDE;
-    void save() Q_DECL_OVERRIDE;
-    void defaults() Q_DECL_OVERRIDE;
-    QString quickHelp() const Q_DECL_OVERRIDE;
+    void load() override;
+    void save() override;
+    void defaults() override;
+    QString quickHelp() const override;
 
 private Q_SLOTS: