[mutter] build: Drop deprecated autogen.sh variables

[Florian Müllner <fmuellner src gnome org>]

commit 3efbb961199562b48e259293c297da01c91f64ef
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Mar 4 21:00:18 2015 +0100

    build: Drop deprecated autogen.sh variables

 autogen.sh |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 2c09f01..810c8a3 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -4,7 +4,6 @@
 srcdir=`dirname $0`
 test -z "$srcdir" && srcdir=.
 
-PKG_NAME="mutter"
 REQUIRED_AUTOMAKE_VERSION=1.11
 
 (test -f $srcdir/configure.ac \
@@ -19,4 +18,4 @@ which gnome-autogen.sh || {
     echo "your distribution's package manager)."
     exit 1
 }
-USE_GNOME2_MACROS=1 USE_COMMON_DOC_BUILD=yes . gnome-autogen.sh
+. gnome-autogen.sh