Removed test code for MML

Author: kitao

python/pyxel/examples/01_hello_pyxel.py

@@ -5,10 +5,6 @@ class App:
     def __init__(self):
         pyxel.init(160, 120, title="Hello Pyxel")
         pyxel.images[0].load(0, 0, "assets/pyxel_logo_38x16.png")
-        pyxel.play(
-            0,
-            "T200 Y0 q3 ccccccccc T100 @GLI1{100,0} @GLI0 V8 c V10 d V15 e r8 f L16 fg @ENV1{15,100,0,100,15} @VIB1{48,10,100} L2 c..",
-        )
         pyxel.run(self.update, self.draw)
 
     def update(self):