fix(barbican): remove cves from image
diff --git a/images/barbican/Earthfile b/images/barbican/Earthfile
index 0c843ff..df1d927 100644
--- a/images/barbican/Earthfile
+++ b/images/barbican/Earthfile
@@ -6,10 +6,13 @@
 
 build:
   FROM ../openstack-service+builder --RELEASE=${RELEASE}
+  # NOTE(mnaser): pykmip includes some demo certificates which trigger
+  #               security scanners.  We remove them here.
   DO ../openstack-service+BUILD_VENV \
     --PROJECT=${PROJECT} \
     --PROJECT_REF=${PROJECT_REF} \
-    --PIP_PACKAGES="pykmip"
+    --PIP_PACKAGES="pykmip" \
+    --PURGE_PATHS="kmip/demos"
 
 image:
   FROM ../openstack-service+image --RELEASE ${RELEASE} --PROJECT ${PROJECT}