Remove changing of display mode

source/main.cpp

@@ -71,7 +71,7 @@ void Game::run() {
     // this->micro_bit.display.scroll("NEW GAME!");
     // init screen display mode, to be sure it is in a known-state
     // TODO: consider changing to greyscale to allow "mutli-coloured" blocks
-    this->micro_bit.display.setDisplayMode(DISPLAY_MODE_BLACK_AND_WHITE);
+    // this->micro_bit.display.setDisplayMode(DISPLAY_MODE_BLACK_AND_WHITE);
     // register event-handlers
     this->micro_bit.messageBus.listen(
         MICROBIT_ID_BUTTON_A,