Cluster policy bundle manifest fixed to contain only one YAML document

When OpenShift's OLM loads a bundle (using the opm binary) it scans the bundle image for manifest files. It then loads the first YAML document from each of those yaml files. An empty line was added at the beginning of the cluster policy in a recent commit, right before ---. This caused opm to load the manifest as an empty object because that empty line was enough to count as a document, and since it was the first, it was the only one used