updating installer data

tlpkg/installer/ctan-mirrors.pl

@@ -101,7 +101,6 @@
     'Germany' => {
       'http://sendinnsky.selfhost.co/tex-archive/' => 1,
       'http://vesta.informatik.rwth-aachen.de/ftp/pub/mirror/ctan/' => 1,
-      'https://ctan.joethei.xyz/' => 1,
       'https://ctan.mc1.root.project-creative.net/' => 1,
       'https://ctan.mirror.norbert-ruehl.de/' => 1,
       'https://ctan.net/' => 1,
@@ -142,6 +141,7 @@
     'Poland' => {
       'https://ctan.gust.org.pl/tex-archive/' => 1,
       'https://polish-mirror.evolution-host.com/ctan/' => 1,
+      'https://sunsite.icm.edu.pl/pub/CTAN/' => 1,
     },
     'Portugal' => {
       'https://ftp.eq.uc.pt/software/TeX/' => 1,