QmlJS: Make variables in imported JS documents show up in completion.

Filtering them out has long since become unnecessary. It was used back
when JS files were sourced from Script elements - there they'd only
make the functions available. Now functions and variables are imported.

Task-number: QTCREATORBUG-1735
Reviewed-by: Erik Verbruggen

src/libs/qmljs/qmljsinterpreter.h

@@ -270,12 +270,6 @@ private:
 
 class QMLJS_EXPORT Context
 {
-public:
-    enum LookupMode {
-        JSLookup,
-        QmlLookup
-    };
-
 public:
     Context(Engine *engine);
     ~Context();
@@ -284,9 +278,6 @@ public:
     const ScopeChain &scopeChain() const;
     ScopeChain &scopeChain();
 
-    LookupMode lookupMode() const;
-    void setLookupMode(LookupMode lookupMode);
-
     const ObjectValue *typeEnvironment(const Document *doc) const;
     void setTypeEnvironment(const Document *doc, const ObjectValue *typeEnvironment);
 
@@ -307,7 +298,6 @@ private:
     typedef QHash<QString, const Value *> Properties;
 
     Engine *_engine;
-    LookupMode _lookupMode;
     QHash<const ObjectValue *, Properties> _properties;
     QHash<QString, const ObjectValue *> _typeEnvironments;
     QSet<QString> _documentsImportingPlugins;