MINOR: Fix wrong configuration in Adding and Removing Listeners docs
Reviewers: Mickael Maison
<li><code>listener.security.protocol.map</code></li>
</ul>
Inter-broker listener must be configured using the static broker configuration <code>inter.broker.listener.name</code>
- or <code>inter.broker.security.protocol</code>.
+ or <code>security.inter.broker.protocol</code>.
<h3 class="anchor-heading"><a id="topicconfigs" class="anchor-link"></a><a href="#topicconfigs">3.2 Topic-Level Configs</a></h3>
