[gnome-video-arcade] configure.ac: Drop remaining reference to gconf

[Matthew Barnes <mbarnes src gnome org>]

commit 4af21ce552f44cbe0c12ffbb6b16e5fd5d4dde48
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Tue Mar 27 13:25:25 2018 -0400

    configure.ac: Drop remaining reference to gconf

 configure.ac |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 33a4729..6182e48 100644
--- a/configure.ac
+++ b/configure.ac
@@ -110,7 +110,6 @@ AC_PROG_INSTALL
 AC_PROG_INTLTOOL
 AC_PROG_LIBTOOL
 AC_PATH_PROG(BASENAME, basename)
-AC_PATH_PROG(GCONFTOOL, gconftool-2)
 
 # MAME Program
 AC_ARG_VAR([MAME], [MAME command])