remove build_tempest

we haven't actually used this script in about a year, in favor of
the actual in tree lib/tempest.

Change-Id: I9d78b395846ebe833a38ba50edae226040cd7f45
diff --git a/tools/build_tempest.sh b/tools/build_tempest.sh
deleted file mode 100755
index 6c527f5..0000000
--- a/tools/build_tempest.sh
+++ /dev/null
@@ -1,53 +0,0 @@
-#!/usr/bin/env bash
-#
-# **build_tempest.sh**
-
-# Checkout and prepare a Tempest repo: git://git.openstack.org/openstack/tempest.git
-
-function usage {
-    echo "$0 - Check out and prepare a Tempest repo"
-    echo ""
-    echo "Usage: $0"
-    exit 1
-}
-
-if [ "$1" = "-h" ]; then
-    usage
-fi
-
-# Clean up any resources that may be in use
-cleanup() {
-    set +o errexit
-
-    # Kill ourselves to signal any calling process
-    trap 2; kill -2 $$
-}
-
-trap cleanup SIGHUP SIGINT SIGTERM SIGQUIT EXIT
-
-# Keep track of the current directory
-TOOLS_DIR=$(cd $(dirname "$0") && pwd)
-TOP_DIR=$(cd $TOOLS_DIR/..; pwd)
-
-# Import common functions
-. $TOP_DIR/functions
-
-# Abort if localrc is not set
-if [ ! -e $TOP_DIR/localrc ]; then
-    echo "You must have a localrc with ALL necessary passwords and configuration defined before proceeding."
-    echo "See stack.sh for required passwords."
-    exit 1
-fi
-
-# Source params
-source ./stackrc
-
-# Where Openstack code lives
-DEST=${DEST:-/opt/stack}
-
-TEMPEST_DIR=$DEST/tempest
-
-# Install tests and prerequisites
-git_clone $TEMPEST_REPO $TEMPEST_DIR $TEMPEST_BRANCH
-
-trap - SIGHUP SIGINT SIGTERM SIGQUIT EXIT