* officecfg: deprecate Inet::Settings::ooInetFTPProxyName/Port
* ucbhelper: stop handling these settings
* sfx2: remove SID_INET_FTP_PROXY_NAME and SID_INET_FTP_PROXY_PORT
and usage from SfxApplication::GetOptions()
* shell: remove proxy config code from backends
* stoc: the JavaVM would have its "ftp.proxyHost" properties set based
on officecfg values; remove that
* sysui,vcl: remove protocol from KDE desktop files and file picker
Change-Id: Iba02676cf6e519e2fa60ba925209436d38e75f49
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/159500
Tested-by: Jenkins
Reviewed-by: Michael Stahl <michael.stahl@allotropia.de>