[MIRROR] Fix some more issues (#12321)

Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>

code/datums/components/reactive_icon_update.dm

@@ -148,7 +148,7 @@
 	icon = 'icons/obj/directional_test.dmi'
 
 /obj/item/tool/screwdriver/test_driver/Initialize(mapload)
-	..()
+	. = ..()
 	icon_state = "screwdriver"
 	AddComponent(/datum/component/reactive_icon_update, directions = list(NORTH, EAST, SOUTH, WEST, SOUTHWEST, SOUTHEAST, NORTHEAST, NORTHWEST), range = 3)
 

code/modules/mob/holder.dm

@@ -27,8 +27,10 @@ var/list/holder_mob_icon_cache = list()
 	var/original_vis_flags = NONE
 
 /obj/item/holder/Initialize(mapload, mob/held)
-	ASSERT(ismob(held))
 	. = ..()
+	if(!ismob(held))
+		stack_trace("Holder was not passed a mob.")
+		return INITIALIZE_HINT_QDEL
 	held.forceMove(src)
 	START_PROCESSING(SSobj, src)
 

code/modules/xenoarcheaology/finds/find_spawning.dm

@@ -199,6 +199,7 @@
 			item_type = "tool"
 			var/possible_object_paths = list()
 			possible_object_paths += subtypesof(/obj/item/tool)
+			possible_object_paths -= /obj/item/tool/screwdriver/test_driver
 			var/new_tool = pick(possible_object_paths)
 			new_item = new new_tool(src.loc)
 			new_item.color = rgb(rand(0,255),rand(0,255),rand(0,255))

config/example/config.txt

@@ -55,9 +55,6 @@ BAN_LEGACY_SYSTEM
 ## Non-automatic antagonist recruitment, such as being converted to cultism is not affected. Has the same database requirements and notes as USE_AGE_RESTRICTION_FOR_JOBS.
 #USE_AGE_RESTRICTION_FOR_ANTAGS
 
-## Unhash this to use recursive explosions, keep it hashed to use circle explosions. Recursive explosions react to walls, airlocks and blast doors, making them look a lot cooler than the boring old circular explosions. They require more CPU and are (as of january 2013) experimental
-#USE_RECURSIVE_EXPLOSIONS
-
 ## Configure how fast explosion strength diminishes when travelling up/down z levels. All explosion distances are multiplied by this each time they go up/down z-levels.
 #MULTI_Z_EXPLOSION_SCALAR 0.5