remove OS_AUTH_TYPE  from the userrc files

The openstack client just gets more confused when it is specified.

Change-Id: I8b498be835b63733cb38d33b02c3a8531a2da45b
diff --git a/tools/create_userrc.sh b/tools/create_userrc.sh
index b6db5d1..30d1a01 100755
--- a/tools/create_userrc.sh
+++ b/tools/create_userrc.sh
@@ -193,7 +193,6 @@
 export OS_AUTH_URL="$OS_AUTH_URL"
 export OS_CACERT="$OS_CACERT"
 export NOVA_CERT="$ACCOUNT_DIR/cacert.pem"
-export OS_AUTH_TYPE=v2password
 EOF
     if [ -n "$ADDPASS" ]; then
         echo "export OS_PASSWORD=\"$user_passwd\"" >>"$rcfile"