fix(front): organization people page error (#663)

## 📝 Description
Some duplicated code running on organization people page is causing an
error when actions are called. This PR removes this duplicated piece.

## ✅ Checklist
- [x] I have tested this change
- [ ] This change requires documentation update

Author: skipi

front/assets/js/app.js

@@ -310,8 +310,7 @@ export var App = {
 
     const syncPeopleEl = document.querySelector(".app-sync-people");
     if (syncPeopleEl) {
-      const config = JSON.parse(syncPeopleEl.dataset.config);
-      SyncPeople({ dom: syncPeopleEl, config });
+      SyncPeople({ dom: syncPeopleEl, config: syncPeopleEl.dataset });
     }
 
     document.querySelectorAll(".app-edit-person").forEach((editPersonAppRoot) => {
@@ -320,13 +319,6 @@ export var App = {
         config: editPersonAppRoot.dataset
       })
     });
-
-    document.querySelectorAll(".app-sync-people").forEach((syncPeopleAppRoot) => {
-      SyncPeople({
-        dom: syncPeopleAppRoot,
-        config: syncPeopleAppRoot.dataset
-      })
-    });
   },
   organization_okta: function () {
     OrganizationOktaGroupMappingApp({