fix mistakes in countAndCapitalisePets exercise

Author: tomdu3

Sprint-3/3-dead-code/exercise-2.js

@@ -2,12 +2,13 @@
 // The countAndCapitalisePets function should continue to work for any reasonable input it's given, and you shouldn't modify the pets variable.
 
 const pets = ["parrot", "hamster", "horse", "dog", "hamster", "cat", "hamster"];
-const capitalisedPets = pets.map((pet) => pet.toUpperCase());
+// const capitalisedPets = pets.map((pet) => pet.toUpperCase());  -> this line is not necessary because the same functionality is implemented inside the function countAndCapitalisePets.
+// Also, the variable capitalisedPets in not being used in the global scope
 const petsStartingWithH = pets.filter((pet) => pet[0] === "h");
 
-function logPets(petsArr) {
-  petsArr.forEach((pet) => console.log(pet));
-}
+// function logPets(petsArr) {
+//   petsArr.forEach((pet) => console.log(pet));
+// }  -> This function is not being used/called anywhere in the program, it is redundant code and should be removed.
 
 function countAndCapitalisePets(petsArr) {
   const petCount = {};