sharing: Remove vino preferences

They are unused now.
9 jobs for remove-vino in 3 minutes and 15 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #801029
build

00:02:07

 
  Test
passed #801030
test

00:01:08

 
  Manual
manual #801032
privileged allowed to fail manual
asan
manual #801031
allowed to fail manual
flatpak
manual #801035
allowed to fail manual
msan
manual #801033
allowed to fail manual
tsan
manual #801034
allowed to fail manual
ubsan
 
  Review
manual #801036
allowed to fail manual
review
manual #801037
allowed to fail manual
stop_review