Removes now-unnecessary obj_integrity definitions

code/modules/library/lib_items.dm

@@ -18,7 +18,6 @@
 	density = 1
 	opacity = 0
 	resistance_flags = FLAMMABLE
-	obj_integrity = 200
 	max_integrity = 200
 	armor = list(melee = 0, bullet = 0, laser = 0, energy = 0, bomb = 0, bio = 0, rad = 0, fire = 50, acid = 0)
 	var/state = 0

code/modules/library/soapstone.dm

@@ -114,7 +114,6 @@
 	layer = HIGH_OBJ_LAYER
 	density = FALSE
 	anchored = TRUE
-	obj_integrity = 30
 	max_integrity = 30
 	layer = LATTICE_LAYER