chore: simplify eslint configuration (#44347)

* chore: extend import/recommended

* chore: use recommended lint rules

* refactor: apply lint rules

* chore: drop used config

tools/challenge-helper-scripts/create-project.ts

@@ -230,7 +230,7 @@ prompt([
       if (!block.length) {
         return 'please enter a short name';
       }
-      if (/[^a-z0-9\-]/.test(block)) {
+      if (/[^a-z0-9-]/.test(block)) {
         return 'please use alphanumerical characters and kebab case';
       }
       return true;

tools/crowdin/actions/remove-deleted-files/index.js

@@ -35,7 +35,12 @@ const removeDeletedFiles = async projectId => {
         return { ...obj, [filename]: 1 };
       }, {});
       for (let { fileId, path: crowdinFilePath } of crowdinFiles) {
-        if (!curriculumLookup.hasOwnProperty(crowdinFilePath)) {
+        if (
+          !Object.prototype.hasOwnProperty.call(
+            curriculumLookup,
+            crowdinFilePath
+          )
+        ) {
           await deleteFile(projectId, fileId, crowdinFilePath);
         }
       }

tools/scripts/lint/linter/markdown-prism.js

@@ -16,7 +16,7 @@ module.exports = {
         if (baseLang && !lang) {
           onError({
             lineNumber: codeBlock.lineNumber,
-            detail: `\'${baseLang}\' is not recognised.`
+            detail: `'${baseLang}' is not recognised.`
           });
         }
       });