[gnome-photos] build: Remove obsolete GNOME_MAINTAINER_MODE_DEFINES

[Pranav Kant <pranavk src gnome org>]

commit 44f735f8a3ca7ba2b40af5e318c9b2e8e54d7cde
Author: Pranav Kant <pranav913 gmail com>
Date:   Wed Feb 11 12:29:04 2015 +0530

    build: Remove obsolete GNOME_MAINTAINER_MODE_DEFINES
    
    https://bugzilla.gnome.org/show_bug.cgi?id=744309

 configure.ac |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index be557b9..b6a7715 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,7 +40,6 @@ LIBEXIF_MIN_VERSION=0.6.14
 LIBRSVG_MIN_VERSION=2.26.0
 
 GNOME_COMPILE_WARNINGS([maximum])
-GNOME_MAINTAINER_MODE_DEFINES
 
 AX_REQUIRE_DEFINED([IT_PROG_INTLTOOL])
 IT_PROG_INTLTOOL([0.50.1])