refresh neither leaks wraps, allows 2 of the same at once, nor closes raws

src/device/input/raw/random.go

@@ -22,9 +22,6 @@ func NewRandom(generator func() byte) *Random {
 	return &Random{generator: generator}
 }
 
-func (r *Random) Refresh() {
-}
-
 func (r *Random) Close() {
 }