Merge pull request #6171 from maxrice/fix-simplify-js-load

Don't load simplify javascript when simplify gateway isn't available

includes/gateways/simplify-commerce/class-wc-gateway-simplify-commerce.php

@@ -248,7 +248,7 @@ class WC_Gateway_Simplify_Commerce extends WC_Payment_Gateway {
 	 * Outputs scripts used for simplify payment
 	 */
 	public function payment_scripts() {
-		if ( ! is_checkout() ) {
+		if ( ! is_checkout() || ! $this->is_available() ) {
 			return;
 		}