Remove terraform plan from iac lint

.github/workflows/pr_iac_lint.yml

@@ -42,7 +42,6 @@ jobs:
           terraform -version
           terraform init -backend=false
           terraform validate
-          echo terraform plan # We can't do this without a credentials source
       - name: Setup Terraform lint
         uses: terraform-linters/setup-tflint@a5a1af8c6551fb10c53f1cd4ba62359f1973746f # v3.1.1
       - name: Run Terraform lint to check for best practices, errors, deprecated syntax etc.