cmd/compile: remove -h spam

This debugging print crept into an earlier CL of mine.

Change-Id: If6e8609e69a60aec50c06889c2d98a8b8a4bd02b
Reviewed-on: https://go-review.googlesource.com/18971
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

src/cmd/compile/internal/gc/gen.go

@@ -605,9 +605,6 @@ func Tempname(nn *Node, t *Type) {
 	n.Esc = EscNever
 	n.Name.Curfn = Curfn
 	Curfn.Func.Dcl = list(Curfn.Func.Dcl, n)
-	if Debug['h'] != 0 {
-		println("H", n, n.Orig, funcSym(Curfn).Name)
-	}
 
 	dowidth(t)
 	n.Xoffset = 0