refactor(tools,client): remove head and tail logic (#66524)

client/src/client-only-routes/show-daily-coding-challenge.tsx

@@ -97,8 +97,6 @@ function formatChallengeData({
                 name: 'script',
                 ext: 'js',
                 contents: javascript.challengeFiles[0].contents,
-                head: '',
-                tail: '',
                 path: '',
                 history: ['script.js'],
                 fileKey: 'scriptjs'
@@ -123,9 +121,7 @@ function formatChallengeData({
                 ext: 'py',
                 name: 'main',
                 contents: python.challengeFiles[0].contents,
-                head: '',
                 path: '',
-                tail: '',
                 editableRegionBoundaries: [],
                 history: ['main.py']
               }

client/src/redux/prop-types.ts

@@ -211,7 +211,6 @@ export type ChallengeNode = {
     fields: Fields;
     fillInTheBlank: FillInTheBlank;
     forumTopicId: number;
-    head: string[];
     hasEditableBoundaries: boolean;
     helpCategory: string;
     hooks?: Hooks;
@@ -245,7 +244,6 @@ export type ChallengeNode = {
     sourceInstanceName: string;
     superOrder: number;
     superBlock: SuperBlocks;
-    tail: string[];
     template: string;
     tests: Test[];
     title: string;
@@ -548,11 +546,9 @@ export type ExperienceData = {
 export type FileKeyChallenge = {
   contents: string;
   ext: Ext;
-  head: string;
   id: string;
   key: string;
   name: string;
-  tail: string;
 };
 
 export type ChallengeFiles = ChallengeFile[] | null;

client/src/templates/Challenges/classic/saved-challenges.test.ts

@@ -10,8 +10,6 @@ const jsChallenge = {
   fileKey: 'jsFileKey',
   name: 'name',
   ext: 'js' as const,
-  head: 'head',
-  tail: 'tail',
   history: [],
   seed: 'original js contents',
   path: 'index.js'
@@ -22,8 +20,6 @@ const cssChallenge = {
   fileKey: 'cssFileKey',
   name: 'name',
   ext: 'css' as const,
-  head: 'head',
-  tail: 'tail',
   history: [],
   seed: 'original css contents',
   path: 'styles.css'
@@ -34,8 +30,6 @@ const htmlChallenge = {
   fileKey: 'htmlFileKey',
   name: 'name',
   ext: 'html' as const,
-  head: 'head',
-  tail: 'tail',
   history: [],
   seed: 'original html contents',
   path: 'index.html'

client/src/templates/Introduction/components/block.test.tsx

@@ -39,7 +39,6 @@ const defaultProps = {
       fields: {} as Fields,
       forumTopicId: 12345,
       guideUrl: 'https://mockurl.com',
-      head: ['mockHead'],
       hasEditableBoundaries: false,
       helpCategory: 'mockHelpCategory',
       id: 'mockId',
@@ -70,7 +69,6 @@ const defaultProps = {
       sourceInstanceName: 'mockSourceInstanceName',
       superOrder: 1,
       superBlock: SuperBlocks.FullStackDeveloperV9,
-      tail: ['mockTail'],
       template: 'mockTemplate',
       tests: [] as Test[],
       title: 'mockTitle',