packaging/qemu: Delete the temporary container

It is used a temporary container to pull the QEMU tarball out
of the build image, but this container is never deleted. This
will ensure it gets deleted after its execution.

Fixes #1168

Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>

tools/packaging/static-build/qemu-virtiofs/build-static-qemu-virtiofs.sh

@@ -48,6 +48,7 @@ sudo "${DOCKER_CLI}" build \
 	-t qemu-virtiofs-static
 
 sudo "${DOCKER_CLI}" run \
+	--rm \
 	-i \
 	-v "${PWD}":/share qemu-virtiofs-static \
 	mv "${qemu_destdir}/${qemu_virtiofs_tar}" /share/

tools/packaging/static-build/qemu/build-static-qemu.sh

@@ -56,6 +56,7 @@ sudo docker build \
 	-t qemu-static
 
 sudo docker run \
+	--rm \
 	-i \
 	-v "${PWD}":/share qemu-static \
 	mv "${qemu_destdir}/${qemu_tar}" /share/