QmlJS: Remove Interpreter namespace.

The distinction between QmlJS and QmlJS::Interpreter has always been
weak and the extra namespace just added an unnecessary complication.

Change-Id: I4db8ef4bd91b5f6bf610a9d23fdbf55bd60250fc
Reviewed-on: http://codereview.qt.nokia.com/2743
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@nokia.com>

src/libs/qmljs/qmljsvalueowner.h

@@ -39,7 +39,6 @@
 #include <QtCore/QList>
 
 namespace QmlJS {
-namespace Interpreter {
 
 ////////////////////////////////////////////////////////////////////////////////
 // Forward declarations
@@ -194,7 +193,6 @@ private:
     QMutex _mutex;
 };
 
-} // namespace Interpreter
 } // namespace QmlJS
 
 #endif // QMLJS_VALUEOWNER_H