chore(curriculum): remove backticks around MCQ option (freeCodeCamp#61396)

Co-authored-by: Prerak yadav <prerakyadav@Preraks-MacBook-Air.local>

Author: Honey-pg

curriculum/challenges/english/25-front-end-development/lecture-working-with-arrays/6732aebaa8abb9086a9bb17a.md

@@ -91,7 +91,7 @@ What happens if you try to access an array element at an index that doesn't exis
 
 ## --answers--
 
-`It throws an error.`
+It throws an error.
 
 ### --feedback--