Remove "audio-driver"

Author: per1234

registry.txt

@@ -7325,7 +7325,6 @@ https://github.com/giocip/ARDUINO_num7.git|Contributed|num7
 https://github.com/Naguissa/uHexLib.git|Contributed|uHexLib
 https://github.com/ErlTechnologies/ERLtechRobotcontrol.git|Contributed|ERLtechRobotcontrol
 https://github.com/Muhammed-jbareen/Alarm.git|Contributed|Alarm
-https://github.com/pschatzmann/arduino-audio-driver.git|Contributed|audio-driver
 https://github.com/pschatzmann/arduino-fdk-aac.git|Contributed|fdk-aac
 https://github.com/pschatzmann/arduino-libhelix.git|Contributed|libhelix
 https://github.com/pschatzmann/arduino-libflac.git|Contributed|libflac