[package] net/pure-ftpd: default to TLS

unify file transfer submenu with -notls variants

Signed-off-by: Dirk Neukirchen<dirkneukirchen@web.de>
[packages] net/vsftpd: default to TLS variant

unify file transfer packages to default to TLS
notls variant for old default

Signed-off-by: Dirk Neukirchen<dirkneukirchen@web.de>