Remove empty lines. [CI skip]

doc/policy/maintenance.md

@@ -72,12 +72,10 @@ Please see the table below for some examples:
 | 10.1.4   | 8.13.4   | `8.13.4` -> `8.17.7` -> `9.5.8` -> `10.1.4` | `8.17.7` is the last version in version `8`, `9.5.8` is the last version in version `9` |
 |
 
-
 More information about the release procedures can be found in our
 [release-tools documentation][rel]. You may also want to read our
 [Responsible Disclosure Policy][disclosure].
 
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 [rel]: https://gitlab.com/gitlab-org/release-tools/blob/master/doc/
 [disclosure]: https://about.gitlab.com/disclosure/
 [pragmatic way]: https://gist.github.com/jashkenas/cbd2b088e20279ae2c8e