Fluff items and species whitelisting

*Adds AmareWolf to Xenochimera whitelist - approved in https://forum.vore-station.net/viewtopic.php?f=46&t=1655
*Adds medal of unity for Roy Tilton - approved in https://forum.vore-station.net/viewtopic.php?f=27&t=1629
*Adds balaclava for Monty Kopic - approved in https://forum.vore-station.net/viewtopic.php?f=27&t=1628
*Adds warning collar for Excess - approved in https://forum.vore-station.net/viewtopic.php?f=27&t=1593
*Deletes obsolete/unused file "custom_items.txt"

code/modules/client/preference_setup/loadout/loadout_fluffitems_vr.dm

@@ -461,6 +461,12 @@
 	ckeywhitelist = list("kisukegema")
 	character_name = list("Kisuke Gema")
 
+/datum/gear/fluff/excess_collar
+	path = /obj/item/clothing/accessory/collar/pink/fluff/warning
+	display_name = "Excess's Collar"
+	ckeywhitelist = list("killerdragn")
+	character_name = list("Excess")
+
 /datum/gear/fluff/lassara_sheath
 	path = /obj/item/clothing/accessory/storage/knifeharness
 	display_name = "Lassara's Knife Harness"
@@ -753,6 +759,18 @@
 	ckeywhitelist = list("thedavestdave")
 	character_name = list("Nick Sloan")
 
+/datum/gear/fluff/roy_medal
+	path = /obj/item/clothing/accessory/medal/silver/unity
+	display_name = "Roy's Unity Medal"
+	ckeywhitelist = list("thedavestdave")
+	character_name = list("Roy Tilton")
+
+/datum/gear/fluff/monty_balaclava
+	path = /obj/item/clothing/mask/balaclava
+	display_name = "Monty's Balaclava"
+	ckeywhitelist = list("theskringdinger")
+	character_name = list("Monty Kopic")
+
 /datum/gear/fluff/konor_medal
 	path = /obj/item/clothing/accessory/medal/silver/unity
 	display_name = "Konor's Unity Medal"