Cleans up bullets to use subtypes for ammo variations (#57846)

We have a bunch of bullets across the code that are pewpewmm_ap and powpowmm/ap
This switches it to the latter for consistency.

code/modules/projectiles/ammunition/ballistic/lmg.dm

@@ -10,12 +10,12 @@
 /obj/item/ammo_casing/mm712x82/ap
 	name = "7.12x82mm armor-piercing bullet casing"
 	desc = "A 7.12x82mm bullet casing designed with a hardened-tipped core to help penetrate armored targets."
-	projectile_type = /obj/projectile/bullet/mm712x82_ap
+	projectile_type = /obj/projectile/bullet/mm712x82/ap
 
 /obj/item/ammo_casing/mm712x82/hollow
 	name = "7.12x82mm hollow-point bullet casing"
 	desc = "A 7.12x82mm bullet casing designed to cause more damage to unarmored targets."
-	projectile_type = /obj/projectile/bullet/mm712x82_hp
+	projectile_type = /obj/projectile/bullet/mm712x82/hp
 
 /obj/item/ammo_casing/mm712x82/incen
 	name = "7.12x82mm incendiary bullet casing"
@@ -25,9 +25,9 @@
 /obj/item/ammo_casing/mm712x82/match
 	name = "7.12x82mm match bullet casing"
 	desc = "A 7.12x82mm bullet casing manufactured to unfailingly high standards, you could pull off some cool trickshots with this."
-	projectile_type = /obj/projectile/bullet/mm712x82_match
+	projectile_type = /obj/projectile/bullet/mm712x82/match
 
 /obj/item/ammo_casing/mm712x82/bouncy
 	name = "7.12x82mm rubber bullet casing"
 	desc = "A 7.12x82mm rubber bullet casing manufactured to unfailingly disastrous standards, you could piss off a lot of people spraying this down a hallway."
-	projectile_type = /obj/projectile/bullet/mm712x82_bouncy
+	projectile_type = /obj/projectile/bullet/mm712x82/bouncy

code/modules/projectiles/ammunition/ballistic/pistol.dm

@@ -9,12 +9,12 @@
 /obj/item/ammo_casing/c10mm/ap
 	name = "10mm armor-piercing bullet casing"
 	desc = "A 10mm armor-piercing bullet casing."
-	projectile_type = /obj/projectile/bullet/c10mm_ap
+	projectile_type = /obj/projectile/bullet/c10mm/ap
 
 /obj/item/ammo_casing/c10mm/hp
 	name = "10mm hollow-point bullet casing"
 	desc = "A 10mm hollow-point bullet casing."
-	projectile_type = /obj/projectile/bullet/c10mm_hp
+	projectile_type = /obj/projectile/bullet/c10mm/hp
 
 /obj/item/ammo_casing/c10mm/fire
 	name = "10mm incendiary bullet casing"
@@ -32,12 +32,12 @@
 /obj/item/ammo_casing/c9mm/ap
 	name = "9mm armor-piercing bullet casing"
 	desc = "A 9mm armor-piercing bullet casing."
-	projectile_type =/obj/projectile/bullet/c9mm_ap
+	projectile_type =/obj/projectile/bullet/c9mm/ap
 
 /obj/item/ammo_casing/c9mm/hp
 	name = "9mm hollow-point bullet casing"
-	desc = "A 10mm hollow-point bullet casing."
-	projectile_type = /obj/projectile/bullet/c9mm_hp
+	desc = "A 9mm hollow-point bullet casing."
+	projectile_type = /obj/projectile/bullet/c9mm/hp
 
 /obj/item/ammo_casing/c9mm/fire
 	name = "9mm incendiary bullet casing"

code/modules/projectiles/ammunition/ballistic/rifle.dm

@@ -8,7 +8,7 @@
 	projectile_type = /obj/projectile/bullet/a762
 
 /obj/item/ammo_casing/a762/enchanted
-	projectile_type = /obj/projectile/bullet/a762_enchanted
+	projectile_type = /obj/projectile/bullet/a762/enchanted
 
 // 5.56mm (M-90gl Carbine)
 

code/modules/projectiles/ammunition/ballistic/smg.dm

@@ -9,7 +9,7 @@
 /obj/item/ammo_casing/c46x30mm/ap
 	name = "4.6x30mm armor-piercing bullet casing"
 	desc = "A 4.6x30mm armor-piercing bullet casing."
-	projectile_type = /obj/projectile/bullet/c46x30mm_ap
+	projectile_type = /obj/projectile/bullet/c46x30mm/ap
 
 /obj/item/ammo_casing/c46x30mm/inc
 	name = "4.6x30mm incendiary bullet casing"
@@ -27,7 +27,7 @@
 /obj/item/ammo_casing/c45/ap
 	name = ".45 armor-piercing bullet casing"
 	desc = "A .45 bullet casing."
-	projectile_type = /obj/projectile/bullet/c45_ap
+	projectile_type = /obj/projectile/bullet/c45/ap
 
 /obj/item/ammo_casing/c45/inc
 	name = ".45 incendiary bullet casing"