Removing Content-Encoding header breaks several AUR helpers

The fix for #545 (closed) unfortunately breaks paru and yay that rely on the transparent decompression behaviour of HTTP libraries 🤦

• https://github.com/Jguer/yay/issues/2709
• https://github.com/Morganamilo/paru/issues/1447

I will leave it to your team to decide if a stopgap mitigation (i.e., rollback) is desired, or just letting clients fix on their end.

Either way maybe it worth keeping the maintainers of these projects in loop. I'll link this bug in their issue reports.