update authors in examples

Author: FoamyGuy

examples/mpr121_pi_keyboard.py

@@ -1,10 +1,9 @@
-# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-FileCopyrightText: 2019 Tony DiCola, Brennen Bearnes for Adafruit Industries
 # SPDX-License-Identifier: MIT
 
 #!/usr/bin/env python3
 
 # Adafruit Raspberry Pi MPR121 Keyboard Example
-# Author: Tony DiCola, Brennen Bearnes
 #
 # Allows you to turn touches detected by the MPR121 into key presses on a
 # Raspberry Pi.

examples/mpr121_piano.py

@@ -1,12 +1,11 @@
-# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-FileCopyrightText: 2017 Tony DiCola, Carter Nelson for Adafruit Industries
 # SPDX-License-Identifier: MIT
 
 # MPR121 piano demo.
 # Listens to the first 7 inputs of the MPR121 and plays a middle scale note
 # when an input is touched.  Note only one note is played at a time!
 # For use with microcontrollers or computers with PWM support only!
-# Author: Tony DiCola
-# Modified by: Carter Nelson
+
 
 import board
 import busio

examples/mpr121_simpletest.py

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-FileCopyrightText: 2017 Tony DiCola for Adafruit Industries
 # SPDX-License-Identifier: MIT
 
 # Simple test of the MPR121 capacitive touch sensor library.