Don't point to a duplicate ticket

wiki/src/news/report_2017_12.mdwn

@@ -61,7 +61,7 @@ We designed the user experience for our work on the integration of *VeraCrypt* i
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-1. [[!tails_ticket 15066 desc="Tor Browser cannot print to file"]]
+1. [[!tails_ticket 15024 desc="Printing to PDF with Tor Browser does not work anymore"]]
 
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