porting CEV-Eris pickweight procs.

code/game/gamemodes/game_mode.dm

@@ -272,7 +272,7 @@
 		reports += config.mode_reports[config_tag]
 		Count++
 	for(var/i in Count to rand(3,5)) //Between three and five wrong entries on the list.
-		var/false_report_type = pickweightAllowZero(report_weights)
+		var/false_report_type = pickweight(report_weights, 0)
 		report_weights[false_report_type] = 0 //Make it so the same false report won't be selected twice
 		reports += config.mode_reports[false_report_type]
 

code/game/objects/effects/landmarks.dm

@@ -483,7 +483,7 @@ INITIALIZE_IMMEDIATE(/obj/effect/landmark/start/new_player)
 			if(!SSmapping.station_room_templates[t])
 				log_world("Station room spawner placed at ([T.x], [T.y], [T.z]) has invalid ruin name of \"[t]\" in its list")
 				templates -= t
-		template_name = pickweightAllowZero(templates)
+		template_name = pickweight(templates, 0)
 	if(!template_name)
 		GLOB.stationroom_landmarks -= src
 		qdel(src)