Removes duplicate definitions in types (#25702)

* Removes duplicate definitions

* One more

code/datums/spells/mimic.dm

@@ -3,10 +3,9 @@
 	desc =  "Learn a new form to mimic or become one of your known forms"
 	clothes_req = FALSE
 	base_cooldown = 3 SECONDS
-	action_icon_state = "genetic_morph"
+	action_icon_state = "morph_mimic"
 	selection_activated_message = "<span class='sinister'>Click on a target to remember it's form. Click on yourself to change form.</span>"
 	create_attack_logs = FALSE
-	action_icon_state = "morph_mimic"
 	/// Which form is currently selected
 	var/datum/mimic_form/selected_form
 	/// Which forms the user can become