Removes now-unnecessary obj_integrity definitions

code/game/objects/structures/holosign.dm

@@ -5,7 +5,6 @@
 	name = "holo sign"
 	icon = 'icons/effects/effects.dmi'
 	anchored = 1
-	obj_integrity = 1
 	max_integrity = 1
 	armor = list(melee = 0, bullet = 50, laser = 50, energy = 50, bomb = 0, bio = 0, rad = 0, fire = 20, acid = 20)
 	var/obj/item/weapon/holosign_creator/projector
@@ -46,7 +45,6 @@
 	icon_state = "holosign_sec"
 	pass_flags = LETPASSTHROW
 	density = 1
-	obj_integrity = 20
 	max_integrity = 20
 	var/allow_walk = 1 //can we pass through it on walk intent
 
@@ -89,7 +87,6 @@
 	name = "Energy Field"
 	desc = "A fragile energy field that blocks movement. Excels at blocking lethal projectiles."
 	density = 1
-	obj_integrity = 10
 	max_integrity = 10
 	allow_walk = 0
 
@@ -103,7 +100,6 @@
 /obj/structure/holosign/barrier/cyborg/hacked
 	name = "Charged Energy Field"
 	desc = "A powerful energy field that blocks movement. Energy arcs off it"
-	obj_integrity = 20
 	max_integrity = 20
 	var/shockcd = 0