Removed a broken 'umask' call.
Removed a broken 'umask' call.

This probably caused the tcsd call to spawn twice in some cases.

BUG=chromium-os:13510
TEST=Manually typed the following commands in a shell and validated that they produced no errors.

umask
current_mask=$(umask)
umask ${current_mask}
umask
set | grep current_mask

Review URL: http://codereview.chromium.org/6793028

Change-Id: I93995dfeb6eb8efd4b3968c26ba74551add7f6f9

joshfire/chromiumos-platform-init