minor fix

Author: stefanotorneo

src/arduino/app_bricks/audio_classification/examples/2_glass_breaking_from_file.py

@@ -6,5 +6,5 @@
 # EXAMPLE_REQUIRES = "Requires an audio file with the glass breaking sound."
 from arduino.app_bricks.audio_classification import AudioClassification
 
-classification = AudioClassification.classify_from_file("glass_breaking.wav", confidence=0.8)
+classification = AudioClassification.classify_from_file("glass_breaking.wav")
 print("Result:", classification)