How does csgo get rid of the head-shot sound effect

You can't turn off a single sound unless you turn off all the sounds.

Csgo is a first-person shooter game jointly developed by VALVE and HiddenPathEntertainment. It was officially released in Europe and America on August 2 1 2002. It is the fourth work of the "Counter-terrorism Elite" series of games. Gamers are divided into two camps: anti-terrorism elite and terrorists. The two sides need to fight for many rounds on a map, to achieve the goal required by the map or to destroy all the enemies is victory. "