fix(curriculum): Consolidated comments for JavaScript Algorithms and Data Structures challenges - part 4 of 4 (#38267)

* fix: consolidate comments


Co-authored-by: Parth Parth <34807532+thecodingaviator@users.noreply.github.com>

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-javascript/build-javascript-objects.english.md

@@ -67,16 +67,6 @@ tests:
 <div id='js-seed'>
 
 ```js
-// Example
-var ourDog = {
-  "name": "Camper",
-  "legs": 4,
-  "tails": 1,
-  "friends": ["everything!"]
-};
-
-// Only change code below this line
-
 var myDog = {
 
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-javascript/testing-objects-for-properties.english.md

@@ -57,9 +57,9 @@ var myObj = {
 };
 
 function checkObj(checkProp) {
-  // Your Code Here
-
+  // Only change code below this line
   return "Change Me!";
+  // Only change code above this line
 }
 
 checkObj("gift");