lazily initialize settings pages

src/widgets/settingspages/SettingsPage.hpp

@@ -47,9 +47,7 @@ class SettingsPage : public QFrame
     Q_OBJECT
 
 public:
-    SettingsPage(const QString &name);
-
-    const QString &getName();
+    SettingsPage();
 
     virtual bool filterElements(const QString &query);
 
@@ -71,7 +69,6 @@ public:
     }
 
 protected:
-    QString name_;
     SettingsDialogTab *tab_;
     pajlada::Signals::NoArgSignal onCancel_;
     std::vector<pajlada::Signals::ScopedConnection> managedConnections_;