Remove pointless check for existence of function setup()
diff --git a/git-flow b/git-flow
index 5af7681..6923f96 100755
--- a/git-flow
+++ b/git-flow
@@ -80,10 +80,6 @@
 	fi
 
 	# run the specified action
-	# if the subcommand declares a setup() function, call that first
-	if typeset -f setup >/dev/null; then
-		setup
-	fi
 	cmd_$SUBACTION "$@"
 }