Drop no_supertile workarounds

We have a fix in wlroots now.
3 jobs for mrs/drop-no-supertile-workaround in 7 minutes and 7 seconds (queued for 14 minutes and 42 seconds)
Status Job ID Name Coverage
  Build
passed #257777
librem5
build:deb

00:02:26

 
  Test
passed #257778
librem5
test:download:deb

00:02:24

passed #257779
librem5
test:download:pip

00:03:04