Remove excess blank lines after namespace

Change-Id: I4e4f83017f2bfc2cf842c4c971ed4b05e0447e6a
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/qmljseditor/qmljsoutline.cpp

@@ -47,7 +47,6 @@ enum {
 namespace QmlJSEditor {
 namespace Internal {
 
-
 QmlJSOutlineFilterModel::QmlJSOutlineFilterModel(QObject *parent) :
     QSortFilterProxyModel(parent)
 {