Revert "Gpu runner space (#1920)" (#1921)

This reverts commit 8c20764.

Author: smathermather

.github/workflows/publish-docker-gpu.yaml

@@ -27,6 +27,7 @@ jobs:
       run: |
         sudo swapoff -a
         sudo rm -f /swapfile
+        docker rmi $(docker image ls -aq)
     - name: Build and push Docker image
       id: docker_build
       uses: docker/build-push-action@v2

.github/workflows/publish-docker.yaml

@@ -39,6 +39,7 @@ jobs:
       run: |
         sudo swapoff -a
         sudo rm -f /swapfile
+        docker rmi $(docker image ls -aq)
     - name: Build and push Docker image
       id: docker_build
       uses: docker/build-push-action@v2