refactor: remove unused helper

Author: jorenrui

lib/main.js

@@ -96,7 +96,6 @@ const MiniJS = (() => {
     _initializeGlobalVariables()
     _addMethodsToVariables()
     _applyBindings()
-    _addHelpers()
     updateStates()
     _listenToDOMChanges()
     // Temporarily commented out - to be reviewed
@@ -106,16 +105,6 @@ const MiniJS = (() => {
     console.log(`MiniJS took ${executionTime}ms to run.`)
   }
 
-  function _addHelpers() {
-    // Add times method to numbers
-    // 5.times will return [undefined, undefined, undefined, undefined, undefined]
-    Object.defineProperty(Number.prototype, 'times', {
-      get: function () {
-        return Array.from({ length: this })
-      },
-    })
-  }
-
   function _listenToDOMChanges() {
     observeDOM(document.body, (mutation) => {
       mutation.forEach((record) => {