Remove obsolete Javascript test script

This script has been replaced by a rake task a long time ago:

  bundle exec rake karma:run   # to run the specs once
  bundle exec rake karma:start # to run the spec after each change

We don't need it any more and it doesn't work on my machine.

script/ng-test.sh

@@ -1,9 +0,0 @@
-#!/bin/bash
-
-BASE_DIR=`dirname $0`
-
-echo ""
-echo "Starting Karma Server"
-echo "-------------------------------------------------------------------"
-
-karma start $BASE_DIR/../config/ng-test.conf.js $*