Removes TABLEPASS and FPRINT flags

- Also adds ABSTRACT and NODROP flags in preparation for removal of
canremove and abstract vars.
- Sorts some of the setup.dm flags so they're in order.
- Replaces 'flags & 2' in policetape.dm with pass_flags & PASSTABLE,
should have the same effect.

code/modules/virus2/helpers.dm

@@ -46,7 +46,6 @@ proc/get_infection_chance(var/mob/living/carbon/M, var/vector = "Airborne")
 //Checks if table-passing table can reach target (5 tile radius)
 proc/airborne_can_reach(turf/source, turf/target, var/radius=5)
 	var/obj/dummy = new(source)
-	dummy.flags = FPRINT | TABLEPASS
 	dummy.pass_flags = PASSTABLE
 
 	for(var/i=0, i<radius, i++) if(!step_towards(dummy, target)) break

code/modules/virus2/items_devices.dm

@@ -6,7 +6,7 @@
 	icon_state = "antibody"
 	w_class = 2.0
 	item_state = "electronic"
-	flags = FPRINT | TABLEPASS | CONDUCT
+	flags = CONDUCT
 
 /obj/item/device/antibody_scanner/attack(mob/M as mob, mob/user as mob)
 	if(!istype(M,/mob/living/carbon/))