xinput: Remove PropagateMask

Initialized to a constant value, never modified, never varied by device.

Signed-off-by: Adam Jackson <ajax@redhat.com>
4 jobs for emasksize in 5 minutes and 6 seconds
Status Job ID Name Coverage
  Docker Image
passed #2120459
debian-testing

00:00:20

 
  Build And Test
passed #2120460
autotools

00:04:46

passed #2120461
meson

00:02:19

passed #2120462
meson-noglamor

00:00:57