remove unused code additional functions for glog

go/glog/convenient_api.go

@@ -4,13 +4,5 @@ import ()
 
 /*
 Copying the original glog because it is missing several convenient methods.
-1. use ToStderrAndLog() in the weed.go
-2. remove nano time in log format
+1. remove nano time in log format
 */
-
-func ToStderr() {
-	logging.toStderr = true
-}
-func ToStderrAndLog() {
-	logging.alsoToStderr = true
-}