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_gui_basics/widgets/juce_ProgressBar.h

@@ -65,7 +65,7 @@ public:
     explicit ProgressBar (double& progress);
 
     /** Destructor. */
-    ~ProgressBar();
+    ~ProgressBar() override;
 
     //==============================================================================
     /** Turns the percentage display on or off.
@@ -102,7 +102,7 @@ public:
     /** This abstract base class is implemented by LookAndFeel classes. */
     struct JUCE_API  LookAndFeelMethods
     {
-        virtual ~LookAndFeelMethods() {}
+        virtual ~LookAndFeelMethods() = default;
 
         /** Draws a progress bar.