Update requirements.txt

Remove `audioop-lts` requirement for Python 3.12

Author: NathanealV

requirements.txt

@@ -5,7 +5,6 @@ aiosqlite==0.20.0
 annotated-types==0.7.0
 async-timeout==5.0.1
 attrs==24.2.0
-audioop-lts==0.2.1
 charset-normalizer==3.4.0
 confz==2.0.1
 discord.py==2.4.0