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>

packages/auth/src/models/auth-provider.ts

@@ -1,31 +0,0 @@
-import {
-  Entity,
-  Enum,
-  OptionalProps,
-  PrimaryKey,
-  Property,
-} from "@mikro-orm/core"
-
-import { ProviderDomain } from "../types/repositories/auth-provider"
-
-type OptionalFields = "domain" | "is_active" | "config"
-
-@Entity()
-export default class AuthProvider {
-  [OptionalProps]: OptionalFields
-
-  @PrimaryKey({ columnType: "text" })
-  provider!: string
-
-  @Property({ columnType: "text" })
-  name: string
-
-  @Property({ columnType: "text", nullable: true })
-  scope: string
-
-  @Property({ columnType: "jsonb", nullable: true })
-  config: Record<string, unknown> | null = null
-
-  @Property({ columnType: "boolean", default: false })
-  is_active = false
-}

packages/auth/src/models/auth-user.ts

@@ -11,7 +11,6 @@ import {
   Unique,
 } from "@mikro-orm/core"
 
-import AuthProvider from "./auth-provider"
 import { generateEntityId } from "@medusajs/utils"
 
 type OptionalFields = "provider_metadata" | "app_metadata" | "user_metadata"
@@ -30,12 +29,8 @@ export default class AuthUser {
   @Property({ columnType: "text" })
   entity_id: string
 
-  @ManyToOne(() => AuthProvider, {
-    joinColumn: "provider",
-    fieldName: "provider_id",
-    cascade: [Cascade.REMOVE],
-  })
-  provider: AuthProvider
+  @Property({ columnType: "text" })
+  provider: string
 
   @Property({ columnType: "text" })
   scope: string

packages/auth/src/models/index.ts

@@ -1,2 +1 @@
 export { default as AuthUser } from "./auth-user"
-export { default as AuthProvider } from "./auth-provider"