component/slapos: OpenSSL can be download from https now

  The support to debian 6 was dropped, so this compatibility layer is not needed anymore.

component/slapos/obs.cfg

@@ -68,11 +68,6 @@ post-install =
   sed -i 's#${dbus:location}/lib/libdbus-1.la#/opt/slapos/parts/dbus/lib/libdbus-1.la#' ${dbus-glib:location}/lib/libdbus-glib-1.la
 
 [openssl]
-# HTTPS is not work on debian 6 where the package is originally
-# prepared to be upload.
-url = ftp://ftp.openssl.org/source/openssl-1.0.2l.tar.gz
-md5sum = f85123cd390e864dfbe517e7616e6566
-
 prefix = ${buildout:rootdir}/parts/${:_buildout_section_name_}
 make-options +=
   INSTALL_PREFIX=${buildout:destdir}