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_audio_devices/midi_io/juce_MidiOutput.cpp

@@ -42,7 +42,7 @@ void MidiOutput::sendBlockOfMessagesNow (const MidiBuffer& buffer)
 {
     MidiBuffer::Iterator i (buffer);
     MidiMessage message;
-    int samplePosition; // Note: not actually used, so no need to initialise.
+    int samplePosition; // Note: Not actually used, so no need to initialise.
 
     while (i.getNextEvent (message, samplePosition))
         sendMessageNow (message);