[gdm: 3/4] build: Remove some now-unnecessary meson conditionals

[Ray Strode <halfline src gnome org>]

commit 4b4df2adf240e8b193fbaaba72209de12e290235
Author: Matt Turner <mattst88 gmail com>
Date:   Mon Aug 29 12:51:38 2022 -0400

    build: Remove some now-unnecessary meson conditionals

 meson.build | 20 +++++++-------------
 1 file changed, 7 insertions(+), 13 deletions(-)
---
diff --git a/meson.build b/meson.build
index be0594177..d8df021b6 100644
--- a/meson.build
+++ b/meson.build
@@ -102,17 +102,13 @@ endif
 # systemd
 systemd_dep = dependency('systemd')
 libsystemd_dep = dependency('libsystemd')
-if meson.version().version_compare('>= 0.53')
-  systemd_multiseat_x = find_program('systemd-multi-seat-x',
-    required: false,
-    dirs: [
-      systemd_dep.get_pkgconfig_variable('systemdutildir'),
-      '/lib/systemd',
-      '/usr/lib/systemd',
-    ])
-else
-  systemd_multiseat_x = find_program('systemd-multi-seat-x', required: false)
-endif
+systemd_multiseat_x = find_program('systemd-multi-seat-x',
+  required: false,
+  dirs: [
+    systemd_dep.get_pkgconfig_variable('systemdutildir'),
+    '/lib/systemd',
+    '/usr/lib/systemd',
+  ])
 systemd_x_server = systemd_multiseat_x.found()? systemd_multiseat_x.path() : 
'/lib/systemd/systemd-multi-seat-x'
 # Plymouth
 plymouth_dep = dependency('ply-boot-client', required: get_option('plymouth'))
@@ -285,7 +281,6 @@ gnome.post_install(
   glib_compile_schemas: true,
 )
 
-if meson.version().version_compare('>= 0.53')
 summary({
     'datadir': gdm_prefix / get_option('datadir'),
     'sysconfdir': gdm_prefix / get_option('sysconfdir'),
@@ -338,4 +333,3 @@ summary({
   section: 'Features',
   bool_yn: true,
 )
-endif