Remove unnecessary re-exports

spec/frontend/cycle_analytics/mock_data.js

 import valueStreamAnalyticsStages from 'test_fixtures/projects/analytics/value_stream_analytics/stages.json';
-import valueStreamAnalyticsSummary from 'test_fixtures/projects/analytics/value_stream_analytics/summary.json';
 import issueStageFixtures from 'test_fixtures/projects/analytics/value_stream_analytics/events/issue.json';
 import planStageFixtures from 'test_fixtures/projects/analytics/value_stream_analytics/events/plan.json';
 import reviewStageFixtures from 'test_fixtures/projects/analytics/value_stream_analytics/events/review.json';
@@ -26,10 +25,6 @@ export const deepCamelCase = (obj) => convertObjectPropsToCamelCase(obj, { deep:
 export const getStageByTitle = (stages, title) =>
   stages.find((stage) => stage.title && stage.title.toLowerCase().trim() === title) || {};
 
-export const metricsData = valueStreamAnalyticsSummary;
-
-export const customizableStagesAndEvents = valueStreamAnalyticsStages;
-
 export const defaultStages = ['issue', 'plan', 'review', 'code', 'test', 'staging'];
 
 const stageFixtures = {
@@ -258,7 +253,7 @@ export const selectedProjects = [
   },
 ];
 
-export const rawValueStreamStages = customizableStagesAndEvents.stages;
+export const rawValueStreamStages = valueStreamAnalyticsStages.stages;
 
 export const valueStreamStages = rawValueStreamStages.map((s) =>
   convertObjectPropsToCamelCase(s, { deep: true }),

spec/frontend/cycle_analytics/utils_spec.js

+import metricsData from 'test_fixtures/projects/analytics/value_stream_analytics/summary.json';
 import { useFakeDate } from 'helpers/fake_date';
 import {
   transformStagesForPathNavigation,
@@ -14,7 +15,6 @@ import {
   stageMedians,
   pathNavIssueMetric,
   rawStageMedians,
-  metricsData,
 } from './mock_data';
 
 describe('Value stream analytics utils', () => {

spec/frontend/cycle_analytics/value_stream_metrics_spec.js

 import { GlDeprecatedSkeletonLoading as GlSkeletonLoading } from '@gitlab/ui';
 import { GlSingleStat } from '@gitlab/ui/dist/charts';
 import { shallowMount } from '@vue/test-utils';
+import metricsData from 'test_fixtures/projects/analytics/value_stream_analytics/summary.json';
 import waitForPromises from 'helpers/wait_for_promises';
 import { METRIC_TYPE_SUMMARY } from '~/api/analytics_api';
 import ValueStreamMetrics from '~/cycle_analytics/components/value_stream_metrics.vue';
 import createFlash from '~/flash';
-import { group, metricsData } from './mock_data';
+import { group } from './mock_data';
 
 jest.mock('~/flash');