Revert "sub-env pip-install"

This reverts commit 3c283914.

bin/compile

@@ -167,7 +167,7 @@ source $BIN_DIR/steps/pylibmc
 source $BIN_DIR/steps/cryptography
 
 # Install dependencies with Pip.
-sub-env $BIN_DIR/steps/pip-install
+source $BIN_DIR/steps/pip-install
 
 # Django collectstatic support.
 sub-env $BIN_DIR/steps/collectstatic

bin/steps/pip-install

-#!/usr/bin/env bash
-
-source $BIN_DIR/utils
-
 # Install dependencies with Pip.
 puts-step "Installing dependencies with pip"
 
@@ -17,4 +13,4 @@ cp requirements.txt .heroku/python/requirements-declared.txt
 [ ! "$FRESH_PYTHON" ] && bpwatch stop pip_install
 [ "$FRESH_PYTHON" ] && bpwatch stop pip_install_first
 
-echo
+echo
\ No newline at end of file