Revert "Ooops. Missed a line."

This reverts commit 14d4252904.

weed/server/filer_server.go

@@ -34,7 +34,6 @@ type FilerServer struct {
 
 func NewFilerServer(r *http.ServeMux, ip string, port int, master string, dir string, collection string,
 	replication string, redirectOnRead bool, disableDirListing bool,
-	maxMB int,
 	secret string,
 	cassandra_server string, cassandra_keyspace string,
 	redis_server string, redis_password string, redis_database int,