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_basics/mpe/juce_MPESynthesiserVoice.cpp

@@ -42,11 +42,6 @@ bool MPESynthesiserVoice::isPlayingButReleased() const noexcept
     return isActive() && currentlyPlayingNote.keyState == MPENote::off;
 }
 
-bool MPESynthesiserVoice::wasStartedBefore (const MPESynthesiserVoice& other) const noexcept
-{
-    return noteStartTime < other.noteStartTime;
-}
-
 void MPESynthesiserVoice::clearCurrentNote() noexcept
 {
     currentlyPlayingNote = MPENote();