[gedit] build: X11 dependency no longer required!

[Sébastien Wilmet <swilmet src gnome org>]

commit 9a74ce01091bcf6fb47f45e1f0bb5a673971841a
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Wed Mar 18 19:24:27 2020 +0100

    build: X11 dependency no longer required!
    
    Finally.
    
    X11 is deprecated. Linking against the x11 lib prevented gedit from
    being a native Wayland app.

 gedit/meson.build | 4 ----
 meson.build       | 3 ---
 2 files changed, 7 deletions(-)
---
diff --git a/gedit/meson.build b/gedit/meson.build
index bff912f23..bfa1ce937 100644
--- a/gedit/meson.build
+++ b/gedit/meson.build
@@ -138,10 +138,6 @@ elif host_machine.system() == 'windows'
   libgedit_sources += files(
     'gedit-app-win32.c',
   )
-else
-  libgedit_deps += [
-    x11_dep,
-  ]
 endif
 
 libgedit_enums = gnome.mkenums_simple(
diff --git a/meson.build b/meson.build
index 7506353bf..608080dfb 100644
--- a/meson.build
+++ b/meson.build
@@ -54,9 +54,6 @@ tepl_dep = dependency('tepl-4', version: '>= 4.4')
 libpeas_gtk_dep = dependency('libpeas-gtk-1.0', version: '>= 1.14.1')
 gspell_dep = dependency('gspell-1', version: '>= 1.0')
 
-x11_dep_required = (host_machine.system() != 'darwin') and (host_machine.system() != 'windows')
-x11_dep = dependency('x11', required: x11_dep_required)
-
 introspection_dep = dependency('gobject-introspection-1.0')
 vapigen_dep = dependency('vapigen', version: '>= 0.25.1')