Disable bloganuary (#97136)

* Disable bloganuary.

* Add comment clarifying the redundant logic.

client/data/blogging-prompt/is-bloganuary.ts

@@ -4,5 +4,12 @@ import moment from 'moment';
  * @returns true if bloganuary mode is active
  */
 export default function isBloganuary() {
+	// Disable for January 2025 and beyond (see https://wp.me/p5uIfZ-gxX).
+	// Intentionally redundant to make it easier to spot the disable condition,
+	// and avoid removing code we may re-enable in the future.
+	const BLOGANUARY_ENABLED = false;
+	if ( ! BLOGANUARY_ENABLED ) {
+		return false;
+	}
 	return moment().format( 'MM' ) === '01' || isEnabled( 'bloganuary' );
 }