fix(curriculum): format code blocks in quiz answers (freeCodeCamp#62282)

Co-authored-by: Ilenia <[email protected]>
Co-authored-by: Huyen Nguyen <[email protected]>

Author: 3 people

curriculum/challenges/english/blocks/quiz-javascript-fundamentals/66edcd875b0d91de1fbbb492.md

@@ -500,9 +500,7 @@ Which of the following examples exports the `calculateSum` function from a `util
 export default function calculateSum(a, b) {
   return a + b;
 }
-```
 
-```js
 // app.js
 import { calculateSum } from './utils.js';
 console.log(calculateSum(2, 3));
@@ -515,9 +513,7 @@ console.log(calculateSum(2, 3));
 export function calculateSum(a, b) {
   return a + b;
 }
-```
 
-```js
 // app.js
 import calculateSum from './utils.js';
 console.log(calculateSum(2, 3));
@@ -530,9 +526,7 @@ console.log(calculateSum(2, 3));
 function calculateSum(a, b) {
   return a + b;
 }
-```
 
-```js
 export default calculateSum;
 
 // app.js
@@ -547,9 +541,7 @@ console.log(utils.calculateSum(2, 3));
 export function calculateSum(a, b) {
   return a + b;
 }
-```
 
-```js
 // app.js
 import { calculateSum } from './utils.js';
 console.log(calculateSum(2, 3));