tpl: Remove the FuzzMarkdownify func for now

It has gotten us nothing but "build fails" mail and work we don't have time to follow up on.

tpl/transform/fuzz.go

@@ -1,38 +0,0 @@
-// +build gofuzz
-
-// Copyright 2020 The Hugo Authors. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package transform
-
-import (
-	"github.com/spf13/viper"
-)
-
-func FuzzMarkdownify(data []byte) int {
-	v := viper.New()
-	v.Set("contentDir", "content")
-	ns := New(newDeps(v))
-
-	for _, test := range []struct {
-		s interface{}
-	}{
-		{string(data)},
-	} {
-		_, err := ns.Markdownify(test.s)
-		if err != nil {
-			return 0
-		}
-	}
-	return 1
-}