[gtk+] meson: Don't define G_ENABLE_CONSISTENCY_CHECKS unconditionally

[Timm Bäder <baedert src gnome org>]

commit 2a49e08d6d02f4639915a8204e77c4ed2faabf3d
Author: Timm Bäder <mail baedert org>
Date:   Mon Aug 14 13:01:22 2017 +0200

    meson: Don't define G_ENABLE_CONSISTENCY_CHECKS unconditionally
    
    We add it back later depending on the current buildtype.

 meson.build |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/meson.build b/meson.build
index d61ce41..53800f8 100644
--- a/meson.build
+++ b/meson.build
@@ -41,7 +41,6 @@ xkbcommon_req     = '>= 0.2.0'
 gnome = import('gnome')
 
 add_project_arguments('-DG_LOG_USE_STRUCTURED=1', language: 'c')
-add_project_arguments('-DG_ENABLE_CONSISTENCY_CHECKS', language: 'c')
 add_project_arguments('-DGLIB_MIN_REQUIRED_VERSION=' + glib_min_required, language: 'c')
 add_project_arguments('-DGLIB_MAX_ALLOWED_VERSION=' + glib_max_allowed, language: 'c')