Don't output value of image-exists

.github/workflows/aws_deploy.yml

@@ -53,10 +53,6 @@ jobs:
         run: |
           echo "image-exists=$(if aws ecr list-images --repository-name=$repository --query "imageIds[*].imageTag" | grep -q ${{ github.sha }}; then echo true; else echo false; fi)" >> $GITHUB_ENV
 
-      - name: Check value of image-exists
-        run: |
-          echo ${{ env.image-exists }}
-
       - name: Build, tag, and push docker image to ECR
         id: build-image
         if: ${{ 'true' == 'false' }}