Removing the sbom-purl.json file as we don't create it

Signed-off-by: cmoulliard <cmoulliard@redhat.com>

task/build-paketo-builder-oci-ta/0.1/build-paketo-builder-oci-ta.yaml

@@ -396,16 +396,13 @@ spec:
           update-ca-trust
         fi
 
-
         echo "Pull the image from the OCI storage."
-
         buildah --storage-driver "$STORAGE_DRIVER" pull "$IMAGE"
 
-
         echo "Copy within the container of the image the sbom files"
 
         container=$(buildah --storage-driver "$STORAGE_DRIVER" from --pull-never "$IMAGE")
-        buildah --storage-driver "$STORAGE_DRIVER" copy "$container" sbom-cyclonedx.json sbom-purl.json /root/buildinfo/content_manifests/
+        buildah --storage-driver "$STORAGE_DRIVER" copy "$container" sbom-cyclonedx.json /root/buildinfo/content_manifests/
 
         BUILDAH_ARGS=()
         if [ "${SQUASH}" == "true" ]; then
@@ -414,7 +411,6 @@ spec:
 
         buildah --storage-driver "$STORAGE_DRIVER" commit "${BUILDAH_ARGS[@]}" "$container" "$IMAGE"
 
-
         echo "Pushing to ${IMAGE%:*}:${TASKRUN_NAME}"
 
         retries=5