Remove unwrapArrayOfJobs function

Removes function and associated tests

app/assets/javascripts/pipelines/components/pipeline_graph/pipeline_graph.vue

@@ -6,7 +6,6 @@ import JobPill from './job_pill.vue';
 import StagePill from './stage_pill.vue';
 import { generateLinksData } from './drawing_utils';
 import { parseData } from '../parsing_utils';
-import { unwrapArrayOfJobs } from '../unwrapping_utils';
 import { DRAW_FAILURE, DEFAULT, INVALID_CI_CONFIG, EMPTY_PIPELINE_DATA } from '../../constants';
 import { createJobsHash, generateJobNeedsDict } from '../../utils';
 import { CI_CONFIG_STATUS_INVALID } from '~/pipeline_editor/constants';
@@ -136,7 +135,7 @@ export default {
   methods: {
     prepareLinkData() {
       try {
-        const arrayOfJobs = unwrapArrayOfJobs(this.pipelineStages);
+        const arrayOfJobs = this.pipelineStages.flatMap(({ groups }) => groups);
         const parsedData = parseData(arrayOfJobs);
         this.links = generateLinksData(parsedData, this.$options.CONTAINER_ID);
       } catch {

app/assets/javascripts/pipelines/components/unwrapping_utils.js

-/**
- * This function takes the stages and add the stage name
- * at the group level as `category` to have an easier
- * implementation while constructions nodes with D3
- * @param {Array} stages
- * @returns {Array} - Array of stages with stage name at the group level as `category`
- */
-export const unwrapArrayOfJobs = (stages = []) => {
-  return stages
-    .map(({ name, groups }) => {
-      return groups.map((group) => {
-        return { category: name, ...group };
-      });
-    })
-    .flat(2);
-};
-
 const unwrapGroups = (stages) => {
   return stages.map((stage) => {
     const {

spec/frontend/pipelines/unwrapping_utils_spec.js

 import {
-  unwrapArrayOfJobs,
   unwrapGroups,
   unwrapNodesWithName,
   unwrapStagesWithNeeds,
@@ -95,29 +94,6 @@ const completeMock = [
 ];
 
 describe('Shared pipeline unwrapping utils', () => {
-  describe('unwrapArrayOfJobs', () => {
-    it('returns an empty array if the input is an empty undefined', () => {
-      expect(unwrapArrayOfJobs(undefined)).toEqual([]);
-    });
-
-    it('returns an empty array if the input is an empty array', () => {
-      expect(unwrapArrayOfJobs([])).toEqual([]);
-    });
-
-    it('returns a flatten array of each job with their data and stage name', () => {
-      expect(
-        unwrapArrayOfJobs([
-          { name: 'build', groups: [{ name: 'job_a_1' }, { name: 'job_a_2' }] },
-          { name: 'test', groups: [{ name: 'job_b' }] },
-        ]),
-      ).toMatchObject([
-        { category: 'build', name: 'job_a_1' },
-        { category: 'build', name: 'job_a_2' },
-        { category: 'test', name: 'job_b' },
-      ]);
-    });
-  });
-
   describe('unwrapGroups', () => {
     it('takes stages without nodes and returns the unwrapped groups', () => {
       expect(unwrapGroups(stagesAndGroups)[0].groups).toEqual(groupsArray);