upgrade to JUCE 5.4.3. Remove (probably) unused JUCE modules. Remove VST2 target (it's been end-of-life'd by Steinberg and by JUCE)

modules/juce_core/text/juce_LocalisedStrings.h

@@ -191,7 +191,6 @@ private:
     StringArray countryCodes;
     StringPairArray translations;
     std::unique_ptr<LocalisedStrings> fallback;
-    friend struct ContainerDeletePolicy<LocalisedStrings>;
 
     void loadFromText (const String&, bool ignoreCase);