docker in docker now works correctly without anything in workflow

.forgejo/workflows/build.yml

@@ -2,9 +2,6 @@ name: build docker image
 on:
   workflow_dispatch:
 
-env:
-  DOCKER_HOST: unix:///run/user/1001/podman/podman.sock
-
 jobs:
   build:
     runs-on: docker
@@ -14,3 +11,4 @@ jobs:
       - run: apk update && apk add --no-cache nodejs git docker
       - uses: actions/checkout@v4
       - uses: https://github.com/docker/setup-buildx-action@v3
+