tf2_stocks.inc not required. Use sdktooks.inc (sdktooks_sounds.inc + sdktooks_stringtables.inc)
I attached fix for CS:GO (Not tested, Edited code marked by //CSGOADD and //CSGOEND)
Some time and I'll post config for CS:GO
I'm too lazy, so I just put sounds of weapons:
Spoiler
//AK47
// M4A1 (+Silencer)
// USP-Silencer
// HKP2000
// Bizon
//G3SG1
//Glock18
//Galil AR
//Negev
// M249
//XM1014
//mag7
//Nova
//Sawed OFF
//Mac10
//MP7
//MP9
// P250
//CZ75-A
//Tec9
//P90
//ssg08
//sg556
//Fiveseven
//Ump45
//Scar 20
//Elite
//Famas
//Aug
//AWP
//Deagle
//ak47
//Revolver