[MIRROR] [IDB IGNORE] [MDB IGNORE] Makes the icons/mob folder sane [MDB IGNORE] (#16030)

* [IDB IGNORE] [MDB IGNORE] Makes the icons/mob folder sane

* fix map merges

* icon paths and merge conflicts

Co-authored-by: skylord-a52 <skylord-a52@users.noreply.github.com>
Co-authored-by: tastyfish <crazychris32@gmail.com>

code/modules/mapfluff/ruins/objects_and_mobs/ash_walker_den.dm

@@ -3,7 +3,7 @@
 /obj/structure/lavaland/ash_walker
 	name = "necropolis tendril nest"
 	desc = "A vile tendril of corruption. It's surrounded by a nest of rapidly growing eggs..."
-	icon = 'icons/mob/nest.dmi'
+	icon = 'icons/mob/simple/lavaland/nest.dmi'
 	icon_state = "ash_walker_nest"
 
 	move_resist=INFINITY // just killing it tears a massive hole in the ground, let's not move it

code/modules/mapfluff/ruins/objects_and_mobs/sin_ruins.dm

@@ -91,7 +91,7 @@
 	anchored = TRUE
 	density = TRUE
 	icon_state = "blob"
-	icon = 'icons/mob/blob.dmi'
+	icon = 'icons/mob/nonhuman-player/blob.dmi'
 	color = rgb(145, 150, 0)
 
 /obj/effect/gluttony/CanAllowThrough(atom/movable/mover, border_dir)//So bullets will fly over and stuff.