Remove run_tests.sh

Use tox instead.

Change-Id: I70f96b301af129e58fd23e6a21c711bbc17940cd

run_tests.sh

@@ -1,49 +0,0 @@
-#!/bin/bash
-
-function usage {
-  echo "Usage: $0 [OPTION]..."
-  echo "Run python-openstackclient's test suite(s)"
-  echo ""
-  echo "  -p, --pep8               Just run pep8"
-  echo "  -h, --help               Print this usage message"
-  echo ""
-  echo "This script is deprecated and currently retained for compatibility."
-  echo 'You can run the full test suite for multiple environments by running "tox".'
-  echo 'You can run tests for only python 2.7 by running "tox -e py27", or run only'
-  echo 'the pep8 tests with "tox -e pep8".'
-  exit
-}
-
-command -v tox > /dev/null 2>&1
-if [ $? -ne 0 ]; then
-  echo 'This script requires "tox" to run.'
-  echo 'You can install it with "pip install tox".'
-  exit 1; 
-fi
-
-just_pep8=0
-
-function process_option {
-  case "$1" in
-    -h|--help) usage;;
-    -p|--pep8) let just_pep8=1;;
-  esac
-}
-
-for arg in "$@"; do
-  process_option $arg
-done
-
-if [ $just_pep8 -eq 1 ]; then
-  exec tox -e pep8
-fi
-
-tox -e py27 $toxargs 2>&1 | tee run_tests.err.log  || exit 1
-tox_exit_code=${PIPESTATUS[0]}
-if [ 0$tox_exit_code -ne 0 ]; then
-  exit $tox_exit_code
-fi
-
-if [ -z "$toxargs" ]; then
-  tox -e pep8
-fi