Revert "improve hi-dpi support"

Authored by cullmann on Sep 30 2019, 5:13 PM.

Description

Revert "improve hi-dpi support"

This reverts commit 745932d29035e926f7f438c6217ed928b1d0346c.

My test was bogus, Filelight in 19.08 just has not the right code paths for hidpi