Update I2SOut.c

Redundant import of analogio in example.
Confused MagTag user. MagTag does not come with analogio in uf2 and cannot play native WAV with buzzer hardware.

Author: TheWoodsy

shared-bindings/audiobusio/I2SOut.c

@@ -72,7 +72,6 @@
 //|         Playing a wave file from flash::
 //|
 //|           import board
-//|           import audioio
 //|           import audiocore
 //|           import audiobusio
 //|           import digitalio