Techdocs: Resolving SCP-blocked Deletions for Terraform-managed AWS Resources

**Describe the issue**
Add documentation about removing AWS resources created through Terraform that encounter an explicit deny on deletion due to Service Control Policies (SCPs).

**Additional context**
Users may encounter situations where Terraform-created AWS resources (such as KMS aliases and CloudWatch log groups) are protected from deletion by SCPs. The solution is to remove these resources from the Terraform state.

**Definition of done**
- [ ] Add a new entry to our public documentation explaining:
- The problem: Terraform unable to delete certain AWS resources due to SCPs
- The solution: Removing these resources from the Terraform state
- Include brief steps on how to remove resources from Terraform state
- [ ] Review and publish the documentation