Update configuration.md to be correct with version 8.8.3
As of 8.8.3, with an omnibus install, there are two paths that are not correct in the documentation. This patch fixes that to what the paths are when I was double checking.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
As of 8.8.3, with an omnibus install, there are two paths that are not correct in the documentation. This patch fixes that to what the paths are when I was double checking.