Prevent deploy in group-level cluster per project

Hello everyone,

I have an active kubernetes cluster on AWS with numerous services deployed with gitlab.

The cluster was created at group level because it refers to the company that uses it and I can deploy all the projects in the review, stage and production environments through auto-devops.

Among these projects, however, I have some that do not require the use of kubernetes because they use serverless frameworks to deploy some resources directly in AWS.

The template I use uses the enviroments to manage the on-stop cancellation of the review environment.

However, this means that, even if there is no need, a namespace is created within the group cluster.

Is there a way to specify at the project level not to use the group cluster for deployment? Or at least not to create the namespace?