all: merge tools.go and tools_test.go

Change-Id: I98a104a139b033dc15677c948136172ef5fb71be
Reviewed-on: https://go-review.googlesource.com/c/pkgsite-metrics/+/477177
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Zvonimir Pavlinovic <zpavlinovic@google.com>
Reviewed-by: Jonathan Amsterdam <jba@google.com>
diff --git a/tools.go b/tools.go
index 50ea39e..53a846e 100644
--- a/tools.go
+++ b/tools.go
@@ -18,5 +18,8 @@
 package main
 
 import (
+	_ "github.com/client9/misspell/cmd/misspell"
 	_ "golang.org/x/vuln/cmd/govulncheck"
+	_ "honnef.co/go/tools/cmd/staticcheck"
+	_ "mvdan.cc/unparam"
 )
diff --git a/tools_test.go b/tools_test.go
deleted file mode 100644
index da66ca6..0000000
--- a/tools_test.go
+++ /dev/null
@@ -1,14 +0,0 @@
-// Copyright 2023 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.
-
-//go:build tools
-// +build tools
-
-package main
-
-import (
-	_ "github.com/client9/misspell/cmd/misspell"
-	_ "honnef.co/go/tools/cmd/staticcheck"
-	_ "mvdan.cc/unparam"
-)