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/actions/admin-badge-upload.ts

@@ -60,7 +60,6 @@ export async function uploadBadge(formData: FormData): Promise<void> {
 	try {
 		const buffer = Buffer.from(await file.arrayBuffer());
 		const gif = await toBadgeGif(buffer);
-		// eslint-disable-next-line security/detect-non-literal-fs-filename
 		await writeFile(target, gif);
 	} catch {
 		back("error", "Could not process or write the badge file");