Remove useless comma (#4711)

Found an additional comma typo when I implemented this example with typescript.
3 years ago · d2da1a55d2
1 changed files with 2 additions and 2 deletions
--- a/beta/src/pages/learn/choosing-the-state-structure.md
+++ b/beta/src/pages/learn/choosing-the-state-structure.md
@ -1050,7 +1050,7 @@ export const initialTravelPlan = {
  35: {
    id: 35,
    title: 'Oceania',
-    childIds: [36, 37, 38, 39, 40, 41,, 42],   
+    childIds: [36, 37, 38, 39, 40, 41, 42],   
  },
  36: {
    id: 36,