Screen icons cleanup (#50089)

code/_onclick/hud/alien.dm

@@ -11,17 +11,14 @@
 		AH.toggle_leap()
 
 /obj/screen/alien/plasma_display
-	icon = 'icons/mob/screen_gen.dmi'
-	icon_state = "power_display2"
 	name = "plasma stored"
+	icon_state = "power_display"
 	screen_loc = ui_alienplasmadisplay
 
-
 /obj/screen/alien/alien_queen_finder
-	icon = 'icons/mob/screen_alien.dmi'
-	icon_state = "queen_finder"
 	name = "queen sense"
 	desc = "Allows you to sense the general direction of your Queen."
+	icon_state = "queen_finder"
 	screen_loc = ui_alien_queen_finder
 
 /datum/hud/alien

code/_onclick/hud/human.dm

@@ -34,10 +34,10 @@
 	H.quick_equip()
 
 /obj/screen/devil
+	icon = 'icons/mob/screen_devil.dmi'
 	invisibility = INVISIBILITY_ABSTRACT
 
 /obj/screen/devil/soul_counter
-	icon = 'icons/mob/screen_gen.dmi'
 	name = "souls owned"
 	icon_state = "Devil-6"
 	screen_loc = ui_devilsouldisplay
@@ -63,6 +63,7 @@
 	invisibility = INVISIBILITY_ABSTRACT
 
 /obj/screen/ling
+	icon = 'icons/mob/screen_changeling.dmi'
 	invisibility = INVISIBILITY_ABSTRACT
 
 /obj/screen/ling/sting

code/modules/antagonists/changeling/powers/tiny_prick.dm

@@ -20,7 +20,6 @@
 	var/datum/antagonist/changeling/changeling = user.mind.has_antag_datum(/datum/antagonist/changeling)
 	changeling.chosen_sting = src
 
-	user.hud_used.lingstingdisplay.icon = icon_icon
 	user.hud_used.lingstingdisplay.icon_state = button_icon_state
 	user.hud_used.lingstingdisplay.invisibility = 0