2020-05 report: remove buggy link

This does not seem to be the correct issue ID. I suspect a copy'n'paste
error.

wiki/src/blueprint/monthly_report/report_2020_05.mdwn

@@ -68,7 +68,7 @@ User experience
 Hot topics on our help desk
 ===========================
 
-1. We saw more problems for Mac computers this month, some users could not use [[!tails_ticket 13576 desc="their keyboard and touchpad"]], and others [[!tails_ticket 13576 desc="could not start Tails"]]. If you plan to use a laptop for Tails, try to test it before buying it.
+1. We saw more problems for Mac computers this month, some users could not use [[!tails_ticket 13576 desc="their keyboard and touchpad"]], and others could not start Tails. If you plan to use a laptop for Tails, try to test it before buying it.
 
 1. Many Electrum users had to restore their wallet as explained in [[our documentation|doc/anonymous_internet/electrum/]].