Let's just use tgstation's.

code/modules/antagonists/_common/antag_datum.dm

@@ -82,6 +82,9 @@ GLOBAL_LIST_EMPTY(antagonists)
 	if(skill_modifiers)
 		for(var/A in skill_modifiers)
 			ADD_SINGLETON_SKILL_MODIFIER(owner, A, type)
+			var/datum/skill_modifier/job/M = GLOB.skill_modifiers[GET_SKILL_MOD_ID(path, id)]
+			if(istype(M))
+				M.name = "[name] Training"
 	SEND_SIGNAL(owner.current, COMSIG_MOB_ANTAG_ON_GAIN, src)
 
 /datum/antagonist/proc/is_banned(mob/M)

code/modules/client/asset_cache.dm

@@ -745,12 +745,6 @@ GLOBAL_LIST_EMPTY(asset_datums)
 		"dna_extra.gif" 		= 'html/dna_extra.gif'
 )
 
-/datum/asset/spritesheet/simple/skills
-	name = "skills"
-
-/datum/asset/spritesheet/simple/skills/register()
-	InsertAll("", 'icons/UI_icons/skills.dmi')
-
 /datum/asset/simple/vv
 	assets = list(
 		"view_variables.css" = 'html/admin/view_variables.css'