images: Disable HTTP/2 on the images Web Server (#122)
images: Disable HTTP/2 on the images Web Server (#122)

This resulted in massive slow downs for several users.

https://github.com/cockpit-project/cockpit/issues/6571
Closes #122
cockpit-project/cockpituous,stefwalter/cockpituous,cockpit-project/cockpituous,stefwalter/cockpituous