fix: addressed requested changes

backend/src/db/migrations/20250507003056_identity-ldap-auth.ts

@@ -23,7 +23,6 @@ export async function up(knex: Knex): Promise<void> {
       t.string("url").notNullable();
       t.string("searchBase").notNullable();
       t.string("searchFilter").notNullable();
-      t.string("uniqueAttribute").notNullable();
 
       t.jsonb("allowedFields").nullable();
 

backend/src/db/schemas/identity-ldap-auths.ts

@@ -22,7 +22,6 @@ export const IdentityLdapAuthsSchema = z.object({
   url: z.string(),
   searchBase: z.string(),
   searchFilter: z.string(),
-  uniqueAttribute: z.string(),
   allowedFields: z.unknown().nullable().optional(),
   createdAt: z.date(),
   updatedAt: z.date()