Bug#948486: Remove : debian/ThirdPartyDownloads/mongoose-3.8.tgz

[Mathieu Malaterre]

Source: Orthanc
Version: 1.5.4+dfsg-1
Severity: minor

I believe orthanc on Debian switch away from mongoose web server. So
please cleanup source package and remove
debian/ThirdPartyDownloads/mongoose-3.8.tgz

Thanks