Remove unnecessary prefix usage (#24888)

Since now all articles have a class, the `Usage:` is unnecessary. This
PR will remove them.

(cherry picked from commit e7757aa4be)
This commit is contained in:
Lunny Xiao 2023-05-24 00:34:31 +08:00 committed by Earl Warren
commit a28fd056e5
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20 changed files with 25 additions and 25 deletions

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@ -1,6 +1,6 @@
---
date: "2018-05-11T11:00:00+02:00"
title: "Usage: Setup fail2ban"
title: "Setup fail2ban"
slug: "fail2ban-setup"
weight: 16
toc: false