Comment out HTTP/HTTPS Fix in Docs to Cove proxy

[odscjames]

https://github.com/open-contracting/deploy/blob/master/salt/apache/ocds-docs-live.conf.include#L249

    {# This solves a problem - "Convert to Spreadsheet" was working on HTTPS but not HTTP. Fix this by forcing header to be something the CSFR check likes. #}
    {# When we change HTTPS to force, there will be no HTTP traffic and this block should be removed. #}
    {% if testing  %}
        <Location /review>
                Header add referer "https://testing.live.standard.open-contracting.org"
                RequestHeader set referer "https://testing.live.standard.open-contracting.org"
        </Location>
        <Location /infrastructure/review>
                Header add referer "https://testing.live.standard.open-contracting.org"
                RequestHeader set referer "https://testing.live.standard.open-contracting.org"
        </Location>
    {% endif %}
    {% if not testing %}
        <Location /review>
                Header add referer "https://standard.open-contracting.org"
                RequestHeader set referer "https://standard.open-contracting.org"
        </Location>
        <Location /infrastructure/review>
                Header add referer "https://standard.open-contracting.org"
                RequestHeader set referer "https://standard.open-contracting.org"
        </Location>
    {% endif %}