Fix duplicate 'channels' in duckstats (CloudBotIRC#226)

Author: linuxdaemon

plugins/duckhunt.py

@@ -639,7 +639,7 @@ def ducks_user(text, nick, chan, conn, db, message):
         kill_average = int(ducks["killed"] / ducks["chans"])
         friend_average = int(ducks["friend"] / ducks["chans"])
         message(
-            "\x02{}'s\x02 duck stats: \x02{}\x02 killed and \x02{}\x02 befriended in {}. Across {} channels: \x02{}\x02 killed and \x02{}\x02 befriended. Averaging \x02{}\x02 and \x02{}\x02 per channel.".format(
+            "\x02{}'s\x02 duck stats: \x02{}\x02 killed and \x02{}\x02 befriended in {}. Across {}: \x02{}\x02 killed and \x02{}\x02 befriended. Averaging \x02{}\x02 and \x02{}\x02 per channel.".format(
                 name, pluralize_auto(ducks["chankilled"], "duck"), pluralize_auto(ducks["chanfriends"], "duck"),
                 chan, pluralize_auto(ducks["chans"], "channel"),
                 pluralize_auto(ducks["killed"], "duck"), pluralize_auto(ducks["friend"], "duck"),