[Internal] Fix acceptance test for databricks_registered_model data source (#4105)

## Changes
<!-- Summary of your changes that are easy to understand -->

Remove unsupported attribute `include_model_versions`

## Tests
<!-- 
How is this tested? Please see the checklist below and also describe any
other relevant tests
-->

- [x] `make test` run locally
- [ ] relevant change in `docs/` folder
- [x] covered with integration tests in `internal/acceptance`
- [x] relevant acceptance tests are passing
- [ ] using Go SDK

Author: alexott

internal/acceptance/registered_model_test.go

@@ -45,7 +45,6 @@ func TestUcAccRegisteredModel(t *testing.T) {
 			}
 			data "databricks_registered_model" "model" {
 				full_name = databricks_registered_model.model.id
-				include_model_versions = true
 			}
 			output "model" {
 				value = data.databricks_registered_model.model