fix: Move files from /usr/etc to /etc

[KyleGospo]

Adding files to /usr/etc is considered undefined behavior

[bsherman]

Adding files to /usr/etc is considered undefined behavior

@KyleGospo when did this become a thing? For a long time I thought we'd been adding files to /usr/etc in our images. A change i missed upstream?

[fiftydinar]

@KyleGospo when did this become a thing? For a long time I thought we'd been adding files to /usr/etc in our images. A change i missed upstream?

It appears that it has always been the undefined behavior, but we didn't know about it.

We made an announcement at BlueBuild informing users about this, which can hopefully clear some things for you:
https://blue-build.org/blog/preferring-system-etc/

antheas can personally say some more technical things if needed

[bsherman]

@KyleGospo when did this become a thing? For a long time I thought we'd been adding files to /usr/etc in our images. A change i missed upstream?

It appears that it has always been the undefined behavior, but we didn't know about it.

We made an announcement at BlueBuild informing users about this, which can hopefully clear some things for you: https://blue-build.org/blog/preferring-system-etc/

antheas can personally say some more technical things if needed

Thank you @fiftydinar !