Fix the data.js file part of the solution for Challenge 4 in "Choosing the State Structure" chapter

Author: Karthikeyan Balasubramanian

src/content/learn/choosing-the-state-structure.md

@@ -2586,15 +2586,12 @@ export default function Letter({
 export const letters = [{
   id: 0,
   subject: 'Ready for adventure?',
-  isStarred: true,
 }, {
   id: 1,
   subject: 'Time to check in!',
-  isStarred: false,
 }, {
   id: 2,
   subject: 'Festival Begins in Just SEVEN Days!',
-  isStarred: false,
 }];
 ```
 
@@ -2694,15 +2691,12 @@ export default function Letter({
 export const letters = [{
   id: 0,
   subject: 'Ready for adventure?',
-  isStarred: true,
 }, {
   id: 1,
   subject: 'Time to check in!',
-  isStarred: false,
 }, {
   id: 2,
   subject: 'Festival Begins in Just SEVEN Days!',
-  isStarred: false,
 }];
 ```
 
@@ -2799,15 +2793,12 @@ export default function Letter({
 export const letters = [{
   id: 0,
   subject: 'Ready for adventure?',
-  isStarred: true,
 }, {
   id: 1,
   subject: 'Time to check in!',
-  isStarred: false,
 }, {
   id: 2,
   subject: 'Festival Begins in Just SEVEN Days!',
-  isStarred: false,
 }];
 ```