Make example more simple + add info about why to use getUserPermissio…

…nsWithOPA

docs/how-to/enforce-permissions/user-permissions.mdx

@@ -163,10 +163,15 @@ UserPermissions permissions = permit.getUserPermissions(
 
 ##  Get user permissions directly from opa
 
-:::info Info
+:::info Note
 This feature is not supported when using FactDB and should not be used with FactDB enabled on the PDP
 :::
 
+:::info Info
+When experiencing high load, it may be more efficient to call the OPA engine directly from the SDK.
+Please note that to enable this, you will need to expose the OPA port (8181).
+:::
+
 ```java
 import io.permit.sdk.Permit;
 import io.permit.sdk.PermitConfig;
@@ -179,16 +184,9 @@ Permit permit = new Permit(
     new PermitConfig.Builder("[YOUR_API_KEY]").build()
 );
 
-Context context = new Context();
-context.put("enable_abac_user_permissions", new Boolean(true));
-
 UserPermissions permissions = permit.getUserPermissionsFromOPA(
 	new GetUserPermissionsQuery(
-		User.fromString("john@doe.com"), // user key
-		null, // tenants filter is not required for ABAC
-		Arrays.asList("document", "__tenant"), // resource types is always required for ABAC, __tenants is required to not ignore RBAC-based permissions
-		null, // resources not required
-		context,
+		User.fromString("john@doe.com")
 	)
 );