Remove extra dir layer for approvals_api and approvals_store.

app/assets/javascripts/merge_request_widget/approvals/services/approvals_api.js.es6 → app/assets/javascripts/merge_request_widget/approvals/approvals_api.js.es6

-//= require ../stores/approvals_store
+//= require ./approvals_store
 
 (() => {
   class ApprovalsApi {

app/assets/javascripts/merge_request_widget/approvals/approvals_bundle.js.es6

-//= require_directory ./stores
-//= require_directory ./services
+//= require ./approvals_store
+//= require ./approvals_api
 //= require_directory ./components

app/assets/javascripts/merge_request_widget/approvals/stores/approvals_store.js.es6 → app/assets/javascripts/merge_request_widget/approvals/approvals_store.js.es6

-//= require ../services/approvals_api
+//= require ./approvals_api
 
 (() => {
   let singleton;

app/assets/javascripts/merge_request_widget/approvals/components/approvals_body.js.es6

-//= require ../stores/approvals_store
-//= require ../services/approvals_api
+//= require ../approvals_store
+//= require ../approvals_api
 
 (() => {
   Vue.component('approvals-body', {

app/assets/javascripts/merge_request_widget/approvals/components/approvals_footer.js.es6

-//= require ../stores/approvals_store
+//= require ../approvals_store
 //= require vue_common_component/link_to_member_avatar
 
 (() => {

app/assets/javascripts/merge_request_widget/widget_store.js.es6

-//= require ./approvals/stores/approvals_store
+//= require ./approvals/approvals_store
 
 (() => {
   let singleton;

spec/javascripts/approvals/approvals_store_spec.js.es6

 //= require jquery
 //= require vue
 //= require vue-resource
-//= require merge_request_widget/approvals/stores/approvals_store
+//= require merge_request_widget/approvals/approvals_store
 
 $.rails = {
   csrfToken() {},