Drop autotools build system

5 jobs for master in 5 minutes and 10 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
passed #244527
fedora-x86_64-meson

00:01:09

passed #244528
win32
msys2-mingw32-meson

00:03:24

passed #244529
win32
vs2017-x64-meson

00:04:40

 
  Deploy
passed #244530
pages

00:00:29

passed pages:deploy

00:00:00