2018-03 report: drop obsolete item.

wiki/src/blueprint/monthly_report/report_2018_03.mdwn

@@ -170,10 +170,6 @@ Funding
   Challenge](https://www.crowdrise.com/duckduckgoprivacychallenge). We
   raised $4 235 and rank 5th on March 28.
 
-  You can help us win one of the prizes given out by DuckDuckGo (summit
-  up to $500 000) by [donating to our
-  campaign](https://www.crowdrise.com/o/en/campaign/tails-live).
-
 - Our fundraising team got a new member. Welcome aboard!
 
 Outreach