QmlJS: Documentation.

Change-Id: I2a095e38b7d79a5fb39a16d8f32b48c8e28132f6
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@nokia.com>
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@nokia.com>

src/libs/qmljs/qmljsmodelmanagerinterface.h

@@ -46,8 +46,6 @@ namespace ProjectExplorer {
     class Project;
 }
 
-QT_QML_BEGIN_NAMESPACE
-
 namespace QmlJS {
 
 class Snapshot;
@@ -170,6 +168,4 @@ signals:
 
 } // namespace QmlJS
 
-QT_QML_END_NAMESPACE
-
 #endif // QMLJSMODELMANAGERINTERFACE_H