Update LocalUserManagementStore to use shared export function

Signed-off-by: Yoshie Muranaka <yoshiemuranaka@gmail.com>
Change-Id: Ia8617d4656d00244eefd09ece1f735fb37aedacc
diff --git a/src/store/modules/AccessControl/LocalUserMangementStore.js b/src/store/modules/AccessControl/LocalUserMangementStore.js
index b9b67ea..e9de3cc 100644
--- a/src/store/modules/AccessControl/LocalUserMangementStore.js
+++ b/src/store/modules/AccessControl/LocalUserMangementStore.js
@@ -1,20 +1,5 @@
-import api from '../../api';
-import i18n from '../../../i18n';
-
-const getResponseCount = responses => {
-  let successCount = 0;
-  let errorCount = 0;
-
-  responses.forEach(response => {
-    if (response instanceof Error) errorCount++;
-    else successCount++;
-  });
-
-  return {
-    successCount,
-    errorCount
-  };
-};
+import api, { getResponseCount } from '@/store/api';
+import i18n from '@/i18n';
 
 const LocalUserManagementStore = {
   namespaced: true,