make_chroot: drop python upgrade hack

Now that we're bootstrapping our SDK from newer versions, we can drop
this hack to make sure python is recent enough -- we know it is now.

BUG=chromium:747810
TEST=`cros tryjob chromiumos-sdk-tryjob` passes

Change-Id: I67ac843bda7c733382a077c03307aa8b8ce8a24e
Reviewed-on: https://chromium-review.googlesource.com/1756523
Tested-by: Mike Frysinger <vapier@chromium.org>
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
diff --git a/sdk_lib/make_chroot.sh b/sdk_lib/make_chroot.sh
index c9b1a86..e2ce804 100755
--- a/sdk_lib/make_chroot.sh
+++ b/sdk_lib/make_chroot.sh
@@ -574,14 +574,6 @@
 # Add version of stage3 for update checks.
 echo "STAGE3=${FLAGS_stage3_path}" > "${CHROOT_STATE}"
 
-# TODO(crbug.com/747810): Remove this once stage3 is updated past 2015-Q1.
-# The 2014.09.18 stage3 uses app-admin/eselect-python, but in 2015-Q1 it moved
-# to app-eselect/eselect-python. Since portage depends on python-exec, and
-# python-exec depends on eselect-python, update python and related packages
-# before portage.
-info "Updating python"
-early_enter_chroot emerge -uNv --quiet python:2.7 python setuptools
-
 # New versions of the stage3 have Python 3 set as the default. Make sure we
 # default to 2.x as our scripts are only compatible with Python 2. We leave
 # Python 3 installed though as we've started including it in our SDK.