Remove incorrect localVue usage

localVue is required only with use method

ee/spec/frontend/project_licenses/components/license_component_links_spec.js

-import { createLocalVue, shallowMount } from '@vue/test-utils';
+import { shallowMount } from '@vue/test-utils';
 import { GlModal, GlLink, GlIntersperse } from '@gitlab/ui';
 
 import LicenseComponentLinks, {
@@ -6,9 +6,6 @@ import LicenseComponentLinks, {
 } from 'ee/project_licenses/components/license_component_links.vue';
 
 describe('LicenseComponentLinks component', () => {
-  // local Vue
-  const localVue = createLocalVue();
-
   // data helpers
   const createComponents = n => [...Array(n).keys()].map(i => ({ name: `component ${i + 1}` }));
   const addUrls = (components, numComponentsWithUrls = Infinity) =>
@@ -22,8 +19,7 @@ describe('LicenseComponentLinks component', () => {
   const factory = ({ numComponents, numComponentsWithUrl = 0, title = 'test-component' } = {}) => {
     const components = addUrls(createComponents(numComponents), numComponentsWithUrl);
 
-    wrapper = shallowMount(localVue.extend(LicenseComponentLinks), {
-      localVue,
+    wrapper = shallowMount(LicenseComponentLinks, {
       propsData: {
         components,
         title,

ee/spec/frontend/project_licenses/components/licenses_table_row_spec.js

-import { createLocalVue, shallowMount } from '@vue/test-utils';
+import { shallowMount } from '@vue/test-utils';
 import { GlLink, GlSkeletonLoading } from '@gitlab/ui';
 import LicenseComponentLinks from 'ee/project_licenses/components/license_component_links.vue';
 import LicensesTableRow from 'ee/project_licenses/components/licenses_table_row.vue';
 import { makeLicense } from './utils';
 
 describe('LicensesTableRow component', () => {
-  const localVue = createLocalVue();
   let wrapper;
   let license;
 
   const factory = (propsData = {}) => {
-    wrapper = shallowMount(localVue.extend(LicensesTableRow), {
-      localVue,
+    wrapper = shallowMount(LicensesTableRow, {
       sync: false,
       propsData,
     });

ee/spec/frontend/project_licenses/components/licenses_table_spec.js

-import { createLocalVue, shallowMount } from '@vue/test-utils';
+import { shallowMount } from '@vue/test-utils';
 import LicensesTable from 'ee/project_licenses/components/licenses_table.vue';
 import LicensesTableRow from 'ee/project_licenses/components/licenses_table_row.vue';
 import { makeLicense } from './utils';
 
 describe('LicensesTable component', () => {
-  const localVue = createLocalVue();
   let wrapper;
 
   const factory = (propsData = {}) => {
-    wrapper = shallowMount(localVue.extend(LicensesTable), {
-      localVue,
+    wrapper = shallowMount(LicensesTable, {
       sync: false,
       propsData: { ...propsData },
     });

ee/spec/frontend/project_licenses/components/paginated_licenses_table_spec.js

-import { createLocalVue, shallowMount } from '@vue/test-utils';
+import { shallowMount } from '@vue/test-utils';
 import createStore from 'ee/project_licenses/store';
 import LicensesTable from 'ee/project_licenses/components/licenses_table.vue';
 import { toLicenseObject } from 'ee/project_licenses/utils/mappers';
@@ -12,7 +12,6 @@ jest.mock('underscore', () => ({
 }));
 
 describe('PaginatedLicensesTable component', () => {
-  const localVue = createLocalVue();
   const namespace = LICENSE_LIST;
 
   let store;
@@ -21,8 +20,7 @@ describe('PaginatedLicensesTable component', () => {
   const factory = () => {
     store = createStore();
 
-    wrapper = shallowMount(localVue.extend(PaginatedLicensesTable), {
-      localVue,
+    wrapper = shallowMount(PaginatedLicensesTable, {
       store,
       sync: false,
     });