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/qmljscontext.cpp

@@ -36,7 +36,6 @@
 
 using namespace QmlJS;
 using namespace QmlJS::AST;
-using namespace QmlJS::Interpreter;
 
 ContextPtr Context::create(const QmlJS::Snapshot &snapshot, ValueOwner *valueOwner, const ImportsPerDocument &imports)
 {