quantum: remove direct quantum.h includes (#21507)

platforms/avr/drivers/audio_pwm_hardware.c

@@ -15,13 +15,9 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#if defined(__AVR__)
-#    include <avr/pgmspace.h>
-#    include <avr/interrupt.h>
-#    include <avr/io.h>
-#endif
-
 #include "audio.h"
+#include "gpio.h"
+#include <avr/interrupt.h>
 
 extern bool    playing_note;
 extern bool    playing_melody;