terraform: Remove compatibility note from README

terraform/README.md

@@ -2,9 +2,6 @@
 
 This is a Terraform module facilitating the deployment of pvcviewer-operator charm, using the [Terraform juju provider](https://github.com/juju/terraform-provider-juju/). For more information, refer to the provider [documentation](https://registry.terraform.io/providers/juju/juju/latest/docs).
 
-## Compatibility
-This terraform module is compatible with charms of version >= 1.9 due to changes in the charm's relations.
-
 ## Requirements
 This module requires a `juju` model to be available. Refer to the [usage section](#usage) below for more details.