chore(curriculum): remove __locals from merge sort algorithm project (#54785)

curriculum/challenges/english/07-scientific-computing-with-python/learn-data-structures-by-building-the-merge-sort-algorithm/655cd899f8de09431eabb40c.md

@@ -22,7 +22,7 @@ You should declare a function named `merge_sort`. Don't forget use the `pass` ke
 ```js
 ({ test: () => assert(__pyodide.runPython(`
     import inspect
-    inspect.isfunction(__locals.get("merge_sort"))
+    inspect.isfunction(merge_sort)
 `))})
 ```