Removes insulated pipes and some related variables (#24156)

* Removes insulated pipes

* Fixes some issues

* This is a better layout

* Removes the datum

* Removes defines

* Sean review

code/modules/atmospherics/machinery/datum_pipeline.dm

@@ -7,8 +7,6 @@
 
 	var/update = 1
 
-	var/alert_pressure = 0
-
 /datum/pipeline/New()
 	SSair.networks += src
 
@@ -33,7 +31,6 @@
 	if(istype(base, /obj/machinery/atmospherics/pipe))
 		var/obj/machinery/atmospherics/pipe/E = base
 		volume = E.volume
-		alert_pressure = E.alert_pressure
 		members += E
 		if(E.air_temporary)
 			air = E.air_temporary
@@ -62,8 +59,6 @@
 							volume += item.volume
 							item.parent = src
 
-							alert_pressure = min(alert_pressure, item.alert_pressure)
-
 							if(item.air_temporary)
 								air.merge(item.air_temporary)
 								item.air_temporary = null

code/modules/atmospherics/machinery/pipes/pipe.dm

@@ -6,8 +6,6 @@
 	power_state = NO_POWER_USE
 	can_unwrench = TRUE
 	damage_deflection = 12
-	var/alert_pressure = 80*ONE_ATMOSPHERE //minimum pressure before check_pressure(...) should be called
-
 	can_be_undertile = TRUE
 
 	//Buckling
@@ -57,12 +55,6 @@
 /obj/machinery/atmospherics/proc/pipeline_expansion()
 	return null
 
-/obj/machinery/atmospherics/pipe/proc/check_pressure(pressure)
-	//Return 1 if parent should continue checking other pipes
-	//Return null if parent should stop checking other pipes. Recall: qdel(src) will by default return null
-
-	return 1
-
 /obj/machinery/atmospherics/pipe/proc/releaseAirToTurf()
 	if(air_temporary)
 		var/turf/T = loc

code/modules/atmospherics/machinery/pipes/simple/pipe_simple.dm

@@ -16,10 +16,6 @@
 	var/minimum_temperature_difference = 300
 	var/thermal_conductivity = 0 //WALL_HEAT_TRANSFER_COEFFICIENT No
 
-	var/maximum_pressure = 70*ONE_ATMOSPHERE
-	var/fatigue_pressure = 55*ONE_ATMOSPHERE
-	alert_pressure = 55*ONE_ATMOSPHERE
-
 	level = 1
 
 /obj/machinery/atmospherics/pipe/simple/New()
@@ -72,21 +68,6 @@
 			hide(T.intact)
 		update_icon()
 
-/obj/machinery/atmospherics/pipe/simple/check_pressure(pressure)
-	var/datum/gas_mixture/environment = loc.return_air()
-
-	var/pressure_difference = pressure - environment.return_pressure()
-
-	if(pressure_difference > maximum_pressure)
-		burst()
-
-	else if(pressure_difference > fatigue_pressure)
-		//TODO: leak to turf, doing pfshhhhh
-		if(prob(5))
-			burst()
-
-	else return 1
-
 /obj/machinery/atmospherics/pipe/simple/proc/burst()
 	src.visible_message("<span class='danger'>\The [src] bursts!</span>")
 	playsound(src.loc, 'sound/effects/bang.ogg', 25, 1)

code/modules/atmospherics/machinery/pipes/simple/pipe_simple_insulated.dm

@@ -1,11 +0,0 @@
-/obj/machinery/atmospherics/pipe/simple/insulated
-	icon = 'icons/obj/atmospherics/red_pipe.dmi'
-	icon_state = "intact"
-
-	minimum_temperature_difference = 10000
-	thermal_conductivity = 0
-	maximum_pressure = 1000*ONE_ATMOSPHERE
-	fatigue_pressure = 900*ONE_ATMOSPHERE
-	alert_pressure = 900*ONE_ATMOSPHERE
-
-	level = 2