remove obsolete shell scripts used to run tests suite

bin/runtests.bat

@@ -1,6 +0,0 @@
-@ECHO off
-
-SET test=scrapy
-SET PYTHONPATH=%CD%
-IF NOT "%1" == "" SET test="%1"
-trial --reporter=text %test%

bin/runtests.sh

@@ -1,50 +0,0 @@
-#!/bin/sh
-
-# look for twisted trial command
-if type trial >/dev/null 2>&1; then
-    trial="trial"
-elif [ -x /usr/lib/twisted/bin/trial ]; then
-    trial="/usr/lib/twisted/bin/trial"
-elif [ -x /usr/lib64/twisted/bin/trial ]; then
-    trial="/usr/lib64/twisted/bin/trial"
-else
-    echo "Unable to run tests: trial command (included with Twisted) not found"
-    exit 1
-fi
-
-# use vsftpd (if available) for testing ftp feed storage
-if type vsftpd >/dev/null 2>&1; then
-    vsftpd_conf=$(mktemp /tmp/vsftpd-XXXX)
-    cat >$vsftpd_conf <<!
-listen=YES
-listen_port=2121
-run_as_launching_user=YES
-anonymous_enable=YES
-write_enable=YES
-anon_upload_enable=YES
-anon_mkdir_write_enable=YES
-anon_other_write_enable=YES
-anon_umask=000
-vsftpd_log_file=/dev/null
-!
-    ftproot=$(mktemp -d /tmp/feedtest-XXXX)
-    chmod 755 $ftproot
-    export FEEDTEST_FTP_URI="ftp://anonymous:test@localhost:2121$ftproot/path/to/file.txt"
-    export FEEDTEST_FTP_PATH="$ftproot/path/to/file.txt"
-    vsftpd $vsftpd_conf &
-    vsftpd_pid=$!
-fi
-
-find . -name '*.py[co]' -delete
-if [ $# -eq 0 ]; then
-    $trial --reporter=text scrapy
-else
-    $trial "$@"
-fi
-exit_status=$?
-
-# cleanup vsftpd stuff
-[ -n "$vsftpd_pid" ] && kill $vsftpd_pid
-[ -n "$ftproot" ] && rm -rf $ftproot $vsftpd_conf
-
-exit $exit_status