Fix duplicate acknowledgement

Author: EthanHeilman

bip-0360.mediawiki

@@ -727,4 +727,4 @@ Much gratitude to my co-founder, Kyle Crews for proofreading and editing, to Dav
 attestation was later discarded when Ethan Heilman joined as co-author, whom I'm incredibly grateful to for
 transforming this BIP into something far more congruent with existing Bitcoin design. Thank you as
 well to those who took the time to review and contribute, including Jeff Bride, Adam Borcany, Antoine Riard, Pierre-Luc
-Dallaire-Demers, Mark Erhardt, Joey Yandle, Jon Atack, Armin Sabouri, Jameson Lopp, Murchandamus, and Vojtěch Strnad.
+Dallaire-Demers, Mark Erhardt, Joey Yandle, Jon Atack, Armin Sabouri, Jameson Lopp, and Vojtěch Strnad.