New review comment by subnut on void-packages repository

https://github.com/void-linux/void-packages/pull/37139#discussion_r873132092

Comment:
## For a demo of this code
<ol>
<li> Ensure you are on linux5.15 or greater
<li> Install ddcci-dkms-0.4.1
<pre><code>ddcci-dkms-0.4.1_1: configuring ...
DKMS module 'ddcci-0.4.1' already added, skipping.
Building DKMS module 'ddcci-0.4.1' for kernel-5.xx.yy_z... FAILED!
DKMS module 'ddcci-0.4.1' failed to build, please check /var/lib/dkms
for errors in the log file.</code></pre>
<li> Run <code>xbps-remove ddcci-dkms</code>
</ol>

### Without this
```
Removing DKMS module 'ddcci-0.4.1' for kernel-5.xx.yy_z... FAILED!
``` 

### With this
```
Cleaning up unbuilt DKMS module 'ddcci-0.4.1'... done.
```