No.
Actually I was surprised as you when I came back after cata to legion, at the very very subtle changes made to the game.
Like the removal of the imp lines, spell abilities becoming more and more quiet (take hammer of the righteous for example), the fact that you can’t really hear other people’s abilities as loudly as when it was before.
Obviously not game breaking things, but really more of an attempt to make WoW more streamlined and bland… or maybe simply to improve the performance of the game? I don’t know.
This would require an addon that tries to change sound files, which is a thing that Blizzard disallowed players to do because
fun detected
fun removed
this is for things like addons which changed the sound of your rifle in the game to the old sound.