Update repositories.txt

Removed PrettyOTA

Author: LostInCompilation

repositories.txt

@@ -8027,7 +8027,6 @@ https://github.com/vincentmuriithi/kari
 https://github.com/codingABI/KY040
 https://github.com/iavorvel/MyButton
 https://github.com/auralius/yapid
-https://github.com/LostInCompilation/PrettyOTA
 https://github.com/53175ddd/sound
 https://github.com/brooksbUWO/Debounce
 https://github.com/serifpersia/ESP32MidiPlayer