unicode/norm: remove empty test file

Change-Id: I7981eb364a6cea658e80fcc0e1aba042b5bc4718
Reviewed-on: https://go-review.googlesource.com/75430
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

unicode/norm/norm_test.go

diff --git a/unicode/norm/norm_test.go b/unicode/norm/norm_test.go
deleted file mode 100644
index 12dacfc..0000000
--- a/unicode/norm/norm_test.go
+++ /dev/null
@@ -1,14 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package norm_test
-
-import (
-	"testing"
-)
-
-func TestPlaceHolder(t *testing.T) {
-	// Does nothing, just allows the Makefile to be canonical
-	// while waiting for the package itself to be written.
-}