Remove Digest-sum, it's gone from Github

Author: Tadeusz Sośnierz

META.list

@@ -92,8 +92,7 @@ https://raw.github.com/mberends/MiniDBI/master/META.info
 https://raw.github.com/perl6/ecosystem/master/SHELTER/lolsql/META.info
 https://raw.github.com/perl6/ecosystem/master/SHELTER/messagepack-pm6/META.info
 https://raw.github.com/perl6/ecosystem/master/SHELTER/november/META.info
-https://raw.github.com/perl6/ecosystem/master/SHELTER/Digest-sum/META.info
 https://raw.github.com/perl6/ecosystem/master/SHELTER/io-prompt/META.info
 https://raw.github.com/zag/plosurin/master/META.info
 https://raw.github.com/retupmoca/p6-Email-Simple/master/META.info
-https://raw.github.com/gam/Test-Junkie/master/META.info
+https://raw.github.com/gam/Test-Junkie/master/META.info