chore(lint): remove dead eslint-disable directives

The project lints with Biome only, so none of these 78 directives across 57
files ever suppressed anything. Directives that carried the rationale for a
flagged dynamic index access keep that rationale as a plain comment.

src/app/(site)/leaderboard/page.tsx

@@ -171,7 +171,7 @@ export default async function LeaderboardPage({
 	const rows = await (active === "credits"
 		? loadCreditsRows()
 		: active === "diamonds" || active === "duckets"
-			? // eslint-disable-next-line security/detect-object-injection -- active validated as "diamonds"|"duckets" in this branch
+			? // active validated as "diamonds"|"duckets" in this branch
 				loadCurrencyRows(CURRENCY_TYPE[active])
 			: loadSettingsRows(
 					SETTINGS_FIELD[active as keyof typeof SETTINGS_FIELD],