Commit changes made by code formatters

runbooks/source/investigating-blocked-ingress-spikes.html.md.erb

@@ -24,4 +24,3 @@ Things to look at while investigating a spike in blocked access:
 It's important to clearly and efficiently communicate between the Cloud Platform team and user. It may be required to call an [incident](https://runbooks.cloud-platform.service.justice.gov.uk/incident-process.html). Where possible keep a record of findings as either part of the a Slack thread or Google document.
 
 Further issues can be raised in the Cloud Platform issue [tracker](https://github.com/ministryofjustice/cloud-platform/issues).
-