app/matrix: cleanup irc bridge registration oneliner

Change-Id: Ic71cbdce6bd9668754285f863fd987c63ab5386d
diff --git a/app/matrix/lib/matrix.libsonnet b/app/matrix/lib/matrix.libsonnet
index 87eefb1..358b0c9 100644
--- a/app/matrix/lib/matrix.libsonnet
+++ b/app/matrix/lib/matrix.libsonnet
@@ -23,7 +23,7 @@
 #
 # For appservice-irc instances, you can use this oneliner magic to get the
 # registration YAML from logs.
-#    kubectl -n matrix create secret generic appservice-irc-freenode-registration --from-file=registration.yaml=<(kubectl logs -n matrix $(kubectl get pods -n matrix --selector=job-name=appservice-irc-freenode-bootstrap --output=jsonpath='{.items[*].metadata.name}') | tail -n +4 | sed -r 's/(.*aliases:.*)/      group_id: "+freenode:hackerspace.pl"\n\1/')
+#    kubectl -n matrix create secret generic appservice-irc-freenode-registration --from-file=registration.yaml=<(kubectl -n matrix logs job/appservice-irc-freenode-bootstrap | tail -n +4 | sed -r 's/(.*aliases:.*)/      group_id: "+freenode:hackerspace.pl"\n\1/')
 #
 # For appservice-telegram instances, you can use this oneliner magic:
 #    kubectl -n matrix create secret generic appservice-telegram-prod-registration --from-file=registration.yaml=<(kubectl -n matrix logs job/appservice-telegram-prod-bootstrap | grep -A 100 SNIPSNIP | grep -v SNIPSNIP)