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/shared/avatar-image.tsx

@@ -31,7 +31,6 @@ export function AvatarImage({
 		(options?.headOnly ? "l" : max <= 40 ? "s" : max <= 80 ? "m" : "l");
 
 	return (
-		// eslint-disable-next-line @next/next/no-img-element
 		<img
 			src={getAvatarUrl(figure, { ...options, size: autoSize })}
 			alt={alt}