Removes command line switch for new login.

BUG=none
TEST=none
TBR=cmasone@chromium.org

Review URL: http://codereview.chromium.org/1100008
diff --git a/session_manager_setup.sh b/session_manager_setup.sh
index 10e04d3..e8ebd62 100644
--- a/session_manager_setup.sh
+++ b/session_manager_setup.sh
@@ -121,5 +121,4 @@
             --user-data-dir=/home/$USER \
             --login-profile=user \
             "--cookie-pipe=$COOKIE_PIPE" \
-            --enable-login-images \
             "${SKIP_OOBE}"