Feat(auth): Remove auth provider entity (#6314)

**What**
- remove auth provider entity

**Why**
- The auth provider entity was not really used anywhere

**How**
- Keeping loader behavior as is but removing the 

Co-authored-by: Sebastian Rindom <7554214+srindom@users.noreply.github.com>

integration-tests/plugins/helpers/create-authenticated-customer.ts

@@ -1,26 +1,33 @@
-import { IAuthModuleService, ICustomerModuleService } from "@medusajs/types"
+import { CreateCustomerDTO, MedusaContainer } from "@medusajs/types"
 
+import { ModuleRegistrationName } from "@medusajs/modules-sdk"
 import jwt from "jsonwebtoken"
 
 export const createAuthenticatedCustomer = async (
-  customerModuleService: ICustomerModuleService,
-  authService: IAuthModuleService,
-  jwtSecret: string
+  appContainer: MedusaContainer,
+  customerData: Partial<CreateCustomerDTO> = {}
 ) => {
+  const { jwt_secret } = appContainer.resolve("configModule").projectConfig
+  const authService = appContainer.resolve(ModuleRegistrationName.AUTH)
+  const customerModuleService = appContainer.resolve(
+    ModuleRegistrationName.CUSTOMER
+  )
+
   const customer = await customerModuleService.create({
     first_name: "John",
     last_name: "Doe",
     email: "john@me.com",
+    ...customerData,
   })
 
-  const authUser = await authService.createAuthUser({
+  const authUser = await authService.create({
     entity_id: "store_user",
     provider: "emailpass",
     scope: "store",
     app_metadata: { customer_id: customer.id },
   })
 
-  const token = jwt.sign(authUser, jwtSecret)
+  const token = jwt.sign(authUser, jwt_secret)
 
   return { customer, authUser, jwt: token }
 }