Remove lines from basic-api-call.html

basic-api-call.html

    <!-- ScriptLab-Specific Runtime Helpers -->
    <script src="https://script-lab.azureedge.net/runtime-helpers.js?hash=aa0d3ff3e68d9a8b0d5d"></script>
    <script>
        ScriptLab._strings = {"unexpectedError":"An unexpected error occurred","authenticationWasCancelledByTheUser":"Authentication was cancelled by the user","officeVersionDoesNotSupportAuthentication":"Your current version of Office does not support displaying an authentication dialog. Please update to a newer version, or try Office Online, if you would like to run this snippet."};
    </script>