[gnome-shell] build: Remove deprecated env vars from autogen call

[Florian Müllner <fmuellner src gnome org>]

commit 01056d72abbdc88e0b56348bc98672e1b62db0db
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Feb 20 20:10:45 2015 +0100

    build: Remove deprecated env vars from autogen call

 autogen.sh |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index e552005..492e5d0 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -4,8 +4,6 @@
 srcdir=`dirname $0`
 test -z "$srcdir" && srcdir=.
 
-PKG_NAME="gnome-shell"
-
 (test -f $srcdir/configure.ac \
   && test -d $srcdir/src) || {
     echo -n "**Error**: Directory "\`$srcdir\'" does not look like the"
@@ -26,4 +24,4 @@ which gnome-autogen.sh || {
     echo "your OS vendor's package manager)."
     exit 1
 }
-USE_GNOME2_MACROS=1 USE_COMMON_DOC_BUILD=yes . gnome-autogen.sh
+. gnome-autogen.sh