Fix invalid gun overlays

code/modules/projectiles/guns/ballistic/automatic.dm

@@ -122,6 +122,7 @@
 	icon_state = "mini-uzi"
 	mag_type = /obj/item/ammo_box/magazine/uzim9mm
 	burst_size = 2
+	automatic_burst_overlay = FALSE
 
 /obj/item/gun/ballistic/automatic/m90
 	name = "\improper M-90gl Carbine"
@@ -277,6 +278,7 @@
 	actions_types = list()
 	spread = 7
 	pin = /obj/item/firing_pin/implant/pindicate
+	automatic_burst_overlay = FALSE
 	var/cover_open = FALSE
 
 /obj/item/gun/ballistic/automatic/l6_saw/Initialize()

code/modules/projectiles/guns/energy/special.dm

@@ -187,6 +187,7 @@
 	ammo_type = list(/obj/item/ammo_casing/energy/gravity/repulse, /obj/item/ammo_casing/energy/gravity/attract, /obj/item/ammo_casing/energy/gravity/chaos)
 	item_state = "gravity_gun"
 	icon_state = "gravity_gun"
+	automatic_charge_overlays = FALSE
 	var/power = 4
 	var/firing_core = FALSE