Debugger: Reduce line noise

Move some function out of the DebuggerCore "namespace", to avoid one
indirection and removes clutter in the calling code.

Change-Id: I1c870d5c7eeade32fa63dedf581490fbb090cd6a
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>

src/plugins/debugger/qml/qmlengine.cpp

@@ -1058,7 +1058,7 @@ QmlJS::ConsoleItem *constructLogItemTree(QmlJS::ConsoleItem *parent,
                                                  const QString &key = QString())
 {
     using namespace QmlJS;
-    bool sorted = debuggerCore()->boolSetting(SortStructMembers);
+    bool sorted = boolSetting(SortStructMembers);
     if (!result.isValid())
         return 0;