de-dupe RabidGravy++

docs/announce/2015.04.md

@@ -30,7 +30,7 @@ Jonathan Worthington, Larry Wall, Elizabeth Mattijsen, Tobias Leich, Pepe
 Schwarz, Moritz Lenz, Will "Coke" Coleda, Carl Mäsak, Alexander Moquin,
 raydiak, Brent Laabs, Christian Bartolomäus, Timo Paulssen, Jonathan Stowe,
 Stefan Seifert, Jonathan Scott Duff, Rob Hoelz, Edwin Steiner, Geoffrey
-Broadwell, nwc10, eli-se, lucasb, RabidGravy
+Broadwell, nwc10, eli-se, lucasb
 
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