Remove entrypoint.sh as it is not needed

Signed-off-by: Christian König <ckoenig@posteo.de>

test/Dockerfile

@@ -4,7 +4,6 @@ ARG docker_version="25.0.4"
 FROM docker:${docker_version}-cli-alpine${alpine_version}
 
 COPY --chmod=0755 ./cmd.sh /usr/local/bin/cmd.sh
-COPY --chmod=0755 ./entrypoint.sh /usr/local/bin/entrypoint.sh
 COPY requirements.txt /root/
 WORKDIR /root
 
@@ -18,5 +17,5 @@ RUN apk add --no-cache \
     # Tests fall over without it. Investigate later.
     && sed -i 's|/bin/sh|/bin/bash|g' /usr/lib/python3.11/site-packages/testinfra/backend/docker.py
 
-ENTRYPOINT ["/bin/sh","-c","entrypoint.sh"]
-CMD ["/bin/sh","-c","cmd.sh"]
+SHELL ["/bin/sh", "-c"]
+CMD ["cmd.sh"]

test/entrypoint.sh

@@ -1 +0,0 @@
-set -ex && cmd.sh