Drop Release label in favor of OSBS release_bump plugin.

OSBS can automatically bump the release number, for that
we just need to drop the label from the Dockerfile

See https://pagure.io/ContainerSIG/container-sig/issue/1

Signed-off-by: Clement Verna <cverna@tutanota.com>

Dockerfile

@@ -1,8 +1,8 @@
-FROM registry.fedoraproject.org/fedora:28
+FROM registry.fedoraproject.org/fedora:rawhide
 
 ENV VERSION=0 ARCH=x86_64
 LABEL com.redhat.component="docker" \
-      name="$FGC/docker" \
+      name="docker" \
       version="$VERSION" \
       architecture="$ARCH" \
       usage="atomic install --system --system-package=no docker && systemctl start docker" \
@@ -10,8 +10,8 @@ LABEL com.redhat.component="docker" \
       maintainer="Giuseppe Scrivano <gscrivan@redhat.com>" \
       atomic.type="system"
 
-RUN dnf install --setopt=tsflags=nodocs -y docker container-storage-setup container-selinux cloud-utils-growpart docker-novolume-plugin lvm2 iptables procps-ng xz oci-register-machine \
-    && rpm -V docker container-storage-setup container-selinux cloud-utils-growpart docker-novolume-plugin lvm2 iptables procps-ng xz oci-register-machine \
+RUN dnf install --setopt=tsflags=nodocs -y docker container-storage-setup container-selinux cloud-utils-growpart python-docker-py docker-novolume-plugin lvm2 iptables procps-ng xz oci-register-machine \
+    && rpm -V docker container-storage-setup container-selinux cloud-utils-growpart python-docker-py docker-novolume-plugin lvm2 iptables procps-ng xz oci-register-machine \
     && mkdir -p /usr/lib/modules && dnf clean all
 
 RUN ln -s /usr/libexec/docker/docker-runc-current /usr/bin/docker-runc