Merge pull request #6363 from mwerezak/pipes

Removes pump heating

code/controllers/configuration.dm

@@ -98,8 +98,6 @@
 
 	//game_options.txt configs
 
-	var/atmos_machine_heat = 1.0
-
 	var/health_threshold_softcrit = 0
 	var/health_threshold_crit = 0
 	var/health_threshold_dead = -100
@@ -534,9 +532,6 @@
 				if("limbs_can_break")
 					config.limbs_can_break = value
 
-				if("atmos_machine_heat")
-					config.atmos_machine_heat = value
-
 				if("run_speed")
 					config.run_speed = value
 				if("walk_speed")