[bijiben] build: Remove GNOME_DOC_PREPARE macro usage

[Jonathan Kang <jonathankang src gnome org>]

commit 708a1304340ec89836f22d83c71125db411b7aa8
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Sat Feb 20 14:04:30 2016 +0000

    build: Remove GNOME_DOC_PREPARE macro usage
    
    This macro was removed from gnome-common a long time ago, and relates
    to the antique GNOME documentation infrastructure. Bijiben already uses
    Yelp.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=762648

 configure.ac |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index b4d3a10..fe9880a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -14,9 +14,6 @@ AM_MAINTAINER_MODE
 
 AC_PROG_CC
 
-GNOME_DOC_PREPARE
-
-
 YELP_HELP_INIT