:pencil2: Removed unnecessary comments and made let const

frontend/src/utils/survey.js

         return responseKeys
     }
     _sortSurveySteps(mutatedResponseKeys, allSteps) {
-        let reordered = [] 
+        const reordered = [] 
         Object.values(allSteps).forEach((step, i) => {
             Object.values(mutatedResponseKeys).forEach((val) => {
                 if (val.survey_stage === step) {
         let mutatedResponseKeys = this._addSurveyStages(responseKeys, surveyStages)
         mutatedResponseKeys = this._addResponses(responseKeys, responsesByCategory)
         mutatedResponseKeys = this._addComponents(responseKeys)
-        // mutatedResponseKeys[0].reordered = this._sortSurveySteps(mutatedResponseKeys, allSteps['usa'])
         mutatedResponseKeys = this._sortSurveySteps(mutatedResponseKeys, allSteps['usa'])
         // Splash page is placed at beginning of survey
         mutatedResponseKeys.unshift(splash)