There's a merged pull request on the void-packages repository

linux4.19: remove superfluous template
https://github.com/void-linux/void-packages/pull/35396

Description:
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I noticed the file `srcpkgs/linux4.19/templateu` while poking around, I'm pretty sure it isn't supposed to be there?

#### Testing the changes
- I tested the changes in this PR: **briefly**

#### Local build testing
- I built this PR locally for my native architecture, x86_64-musl