Ports antibiotics overhaul (#5050)

* Ports antibiotics overhaul

* Update the rest of the places "spaceacillin" is used where antibiotics is meant.

* Antibiotics port compiles

code/modules/virus2/disease2.dm

@@ -82,7 +82,7 @@
 			majormutate()
 
 	//Space antibiotics have a good chance to stop disease completely
-	if(mob.reagents.has_reagent("spaceacillin"))
+	if(mob.chem_effects[CE_ANTIBIOTIC])
 		if(stage == 1 && prob(70-resistance))
 			src.cure(mob)
 		else

code/modules/virus2/helpers.dm

@@ -81,7 +81,7 @@ proc/airborne_can_reach(turf/source, turf/target)
 	var/list/antibodies_in_common = M.antibodies & disease.antigen
 	if(antibodies_in_common.len)
 		return
-	if(M.reagents.has_reagent("spaceacillin"))
+	if(M.chem_effects[CE_ANTIBIOTIC])
 		if(prob(disease.resistance))
 			var/datum/disease2/disease/D = disease.getcopy()
 			D.minormutate()