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/components/admin/article-form.tsx

@@ -296,7 +296,6 @@ export function ArticleForm({
 						/>
 					</div>
 					{image && !imageError ? (
-						// eslint-disable-next-line @next/next/no-img-element
 						<img
 							src={image}
 							alt={t("imagePreview")}