feat: Remove returning token from customer and user endpoints (#7523)

* chore: Move generateJwtToken to utils

* feat: Stop returning token on user and customer endpoints

packages/modules/providers/auth-google/integration-tests/__tests__/services.spec.ts

@@ -1,9 +1,8 @@
-import { MedusaError } from "@medusajs/utils"
+import { generateJwtToken, MedusaError } from "@medusajs/utils"
 import { GoogleAuthService } from "../../src/services/google"
 jest.setTimeout(100000)
 import { http, HttpResponse } from "msw"
 import { setupServer } from "msw/node"
-import jwt from "jsonwebtoken"
 
 const sampleIdPayload = {
   iss: "https://accounts.google.com",
@@ -20,10 +19,12 @@ const sampleIdPayload = {
   given_name: "Test",
   family_name: "Admin",
   iat: 1716891837,
-  exp: 1716895437,
 }
 
-const encodedIdToken = jwt.sign(sampleIdPayload, "test")
+const encodedIdToken = generateJwtToken(sampleIdPayload, {
+  secret: "test",
+  expiresIn: "1d",
+})
 
 const baseUrl = "https://someurl.com"