[gnome-session] build: Remove default warning level

[Iñigo Martínez <inigomartinez src gnome org>]

commit 67b0ee9fbd68630825045069e549f9914c3acc86
Author: Iñigo Martínez <inigomartinez gmail com>
Date:   Fri Nov 17 10:09:11 2017 +0100

    build: Remove default warning level
    
    gnome-session uses 1 as the project's default warning level.
    However, meson already uses this level as the default warning level.
    
    This patch removes the warning level from project's default options.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=790486

 meson.build |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)
---
diff --git a/meson.build b/meson.build
index 31ffb3f..c9bc799 100644
--- a/meson.build
+++ b/meson.build
@@ -2,10 +2,7 @@ project(
   'gnome-session', 'c',
   version: '3.26.0',
   license: 'GPL2+',
-  default_options: [
-    'buildtype=debugoptimized',
-    'warning_level=1'
-  ],
+  default_options: 'buildtype=debugoptimized',
   meson_version: '>= 0.43.0'
 )