FIX: improved the visit card, cleanup the code

back/src/Services/AdminApi.ts

@@ -1,22 +0,0 @@
-import {ADMIN_API_TOKEN, ADMIN_API_URL} from "../Enum/EnvironmentVariable";
-import Axios from "axios";
-
-
-class AdminApi {
-
-    fetchVisitCardUrl(membershipUuid: string): Promise<string> {
-        if (ADMIN_API_URL) {
-            return Axios.get(ADMIN_API_URL + '/api/membership/'+membershipUuid,
-                {headers: {"Authorization": `${ADMIN_API_TOKEN}`}}
-            ).then((res) => {
-                return res.data;
-            }).catch(() => {
-                return 'INVALID';
-            });
-        } else {
-            return Promise.resolve('INVALID')
-        }
-    }
-}
-
-export const adminApi = new AdminApi();