meson: Get rid of outdated version_compare checks

7 jobs for fatal-meson-warnings-ci in 3 minutes and 4 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #4513576
android fedora arm64

00:03:04

passed #4513570
debian sid

00:00:52

passed #4513575
gst-ios-13.2
ios arm64

00:00:35

passed #4513574
gst-macos-10.15
macos x86_64

00:00:42

manual #4513573
gstreamer-windows 1809 windows docker allowed to fail manual
msys2
passed #4513571
gstreamer-windows 1809 windows docker
vs2017 amd64

00:00:39

passed #4513572
gstreamer-windows 1809 windows docker
vs2017 x86

00:00:38