aks74u weapon perspective ltx additions

[wpn_ak74u_actor]:wpn_ak74u --when the player picks up an aks74u, it uses this line do to the _actor postfix
snd_shoot = daemonion\weapons\assaultrifles\ak74u\ak74u_shoot_actor

[wpn_ak74u_npc_10]:wpn_ak74u
snd_shoot = daemonion\weapons\assaultrifles\ak74u\ak74u_shoot_npc_10

[wpn_ak74u_npc_20]:wpn_ak74u
snd_shoot = daemonion\weapons\assaultrifles\ak74u\ak74u_shoot_npc_20

[wpn_ak74u_npc_50]:wpn_ak74u
snd_shoot = daemonion\weapons\assaultrifles\ak74u\ak74u_shoot_npc_50

[wpn_ak74u_npc_100]:wpn_ak74u
snd_shoot = daemonion\weapons\assaultrifles\ak74u\ak74u_shoot_npc_100