data/*.conf: remove old mirrors or use repo-default

Author: classabbyamp

data/repod-main.conf

@@ -1 +1 @@
-repository=https://a-hel-fi.m.voidlinux.org/current
+repository=https://repo-default.voidlinux.org/current/{arch}

data/xbps.conf

@@ -48,15 +48,7 @@
 
 ## REPOSITORY MIRRORS
 #
-# - https://beta.de.repo.voidlinux.org/current
-# - https://beta.de.repo.voidlinux.org/current/nonfree
-# - https://beta.de.repo.voidlinux.org/current/multilib
-# - https://beta.de.repo.voidlinux.org/current/multilib/nonfree
-#
-# - http://alpha.us.repo.voidlinux.org/current
-# - http://alpha.us.repo.voidlinux.org/current/nonfree
-# - http://alpha.us.repo.voidlinux.org/current/multilib
-# - http://alpha.us.repo.voidlinux.org/current/multilib/nonfree
+# For a complete list, see https://xmirror.voidlinux.org
 
 ## PRESERVING FILES
 #