docs(env): drop renamed-from notes in .env.example

.env.example

@@ -16,9 +16,9 @@ MONGO_DATABASE=tiennm99bot
 # added later — so list them explicitly when a deployment should only gain a new
 # module deliberately.
 MODULES=util,misc,random,amlich,wordle,loldle,lol,stock,gold,coin,stats,monkeyd,sticker,alias,blacklist,weather
-# Telegram user id for owner-only commands (renamed from BOT_OWNER_ID).
+# Telegram user id for owner-only commands.
 OWNER_ID=
-# Comma-separated admin Telegram user ids (renamed from ADMIN_USER_IDS).
+# Comma-separated admin Telegram user ids.
 ADMIN_IDS=
 
 # Bot's Telegram username, without "@". Unset = asked from Telegram (getMe)