Fix for sustain handling. Handling has moved to Synth_Dexed library.

MicroDexed.ino

@@ -1393,6 +1393,7 @@ void handleControlChange(byte inChannel, byte inCtrl, byte inValue)
             break;
           case 64:
             MicroDexed[instance_id]->setSustain(inValue > 63);
+            /*
             if (!MicroDexed[instance_id]->getSustain())
             {
               for (uint8_t note = 0; note < MicroDexed[instance_id]->getMaxNotes(); note++)
@@ -1404,6 +1405,7 @@ void handleControlChange(byte inChannel, byte inCtrl, byte inValue)
                 }
               }
             }
+            */
             break;
           case 65:
             MicroDexed[instance_id]->setPortamentoMode(configuration.dexed[instance_id].portamento_mode, configuration.dexed[instance_id].portamento_glissando, configuration.dexed[instance_id].portamento_time);