Remove ECR repository import step from deployment workflow

- Eliminated the step that imported the ECR repository into Terraform state, streamlining the deployment process.
- This change simplifies the workflow by removing unnecessary checks for existing resources, focusing on a more straightforward deployment approach.

Author: Thomas-Boyle

.github/workflows/deploy-backend.yml

@@ -79,18 +79,6 @@ jobs:
         working-directory: infrastructure/instance
         run: make init
 
-      - name: Import ECR repository if it exists outside Terraform state
-        if: ${{ !failure() }}
-        working-directory: infrastructure/instance
-        env:
-          AWS_REGION: eu-west-2
-        run: |
-          REPO_NAME="imms-${SUB_ENVIRONMENT}-processing-repo"
-          if aws ecr describe-repositories --repository-names "${REPO_NAME}" --region "${AWS_REGION}" >/dev/null 2>&1; then
-            echo "ECR repository ${REPO_NAME} exists in AWS, importing into Terraform state if needed..."
-            terraform import aws_ecr_repository.processing_repository "${REPO_NAME}" || true
-          fi
-
       - name: Terraform Plan
         # Ignore cancellations to prevent Terraform from being killed while it holds a state lock
         # A stuck process can still be killed with the force-cancel API operation