[gnome-software] build: Remove autoconf checks for programs we don't use

[Kalev Lember <klember src gnome org>]

commit 1b50948e05e7ebe8794aa78e15c3bc6ec5f3dcfa
Author: Kalev Lember <kalevlember gmail com>
Date:   Tue Mar 25 15:35:48 2014 +0100

    build: Remove autoconf checks for programs we don't use
    
    Fixes a libtoolize warning:
    
        libtoolize: `AC_PROG_RANLIB' is rendered obsolete by `LT_INIT'

 configure.ac |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ff5d073..593f1ab 100644
--- a/configure.ac
+++ b/configure.ac
@@ -11,9 +11,7 @@ AC_CONFIG_MACRO_DIR([m4])
 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
 
 AC_PROG_CC
-AC_PROG_CXX
 AC_PROG_INSTALL
-AC_PROG_RANLIB
 LT_INIT
 AM_PROG_CC_C_O
 IT_PROG_INTLTOOL([0.35.0])