Remove Dead/Duplicated Hosts

Source/domainset/download.conf

@@ -944,7 +944,6 @@ mirror.visiontech.com.bd
 ftp.byfly.by
 mirror.unet.by
 mirrors-ubuntu.behostings.com
-archive.mirror.ba
 ubuntu-mirror.bhtelecom.ba
 mirror.retentionrange.co.bw
 ubuntu.c3sl.ufpr.br
@@ -1564,7 +1563,6 @@ tug.ctan.org
 ftp.sun.ac.za
 ftp.leg.uct.ac.za
 mirror.unpad.ac.id
-ctan.imsc.res.in
 ctan.net
 ctan.yazd.ac.ir
 ctan.um.ac.ir
@@ -1629,7 +1627,7 @@ mirror.inode.at
 ftp.gnu.org.ua
 .mirror.iweb.com
 gnu.askapache.com
-gnu.freemirror.org
+.freemirror.org
 mirrors.kernel.org
 mirrors.sarata.com
 download.kde.org