internal/postgres: delete dead code depending on goldmark

For golang/go#61399

Change-Id: Iac6e41368d2bfbc0ff1c4c02aa51671ff5a24b82
Reviewed-on: https://go-review.googlesource.com/c/pkgsite/+/550037
kokoro-CI: kokoro <noreply+kokoro@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Jonathan Amsterdam <jba@google.com>

1 files changed, 0 insertions, 79 deletions

diff --git a/internal/postgres/goldmark.go b/internal/postgres/goldmark.go
deleted file mode 100644
index 3b99f995..00000000
--- a/internal/postgres/goldmark.go
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
-* Copyright 2020 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 postgres
-
-import (
-	"github.com/yuin/goldmark/ast"
-	"github.com/yuin/goldmark/parser"
-	"github.com/yuin/goldmark/renderer"
-	"github.com/yuin/goldmark/renderer/html"
-	"github.com/yuin/goldmark/text"
-	"github.com/yuin/goldmark/util"
-)
-
-// ASTTransformer is a default transformer of the goldmark tree.
-type ASTTransformer struct{}
-
-// HTMLRenderer is a renderer.NodeRenderer implementation that renders
-// pkg.go.dev readme features.
-type HTMLRenderer struct {
-	html.Config
-}
-
-// Transform transforms the given AST tree to remove an unnecessary child
-// node from the image node. This is so that the summary generated doesn't
-// the text content of an image block.
-func (g *ASTTransformer) Transform(node *ast.Document, reader text.Reader, pc parser.Context) {
-	_ = ast.Walk(node, func(n ast.Node, entering bool) (ast.WalkStatus, error) {
-		if !entering {
-			return ast.WalkContinue, nil
-		}
-		switch v := n.(type) {
-		case *ast.Image:
-			// remove KindText childnode from image
-			v.RemoveChild(v, v.FirstChild())
-		}
-		return ast.WalkContinue, nil
-	})
-}
-
-// NewHTMLRenderer creates a new HTMLRenderer for a readme.
-func NewHTMLRenderer(opts ...html.Option) renderer.NodeRenderer {
-	r := &HTMLRenderer{
-		Config: html.NewConfig(),
-	}
-	for _, opt := range opts {
-		opt.SetHTMLOption(&r.Config)
-	}
-	return r
-}
-
-// RegisterFuncs implements renderer.NodeRenderer.RegisterFuncs.
-func (r *HTMLRenderer) RegisterFuncs(reg renderer.NodeRendererFuncRegisterer) {
-	// skip rendering for everything except for KindText
-	for _, kind := range []ast.NodeKind{
-		ast.KindAutoLink, ast.KindBlockquote, ast.KindCodeBlock, ast.KindCodeSpan,
-		ast.KindDocument, ast.KindEmphasis, ast.KindFencedCodeBlock, ast.KindHTMLBlock,
-		ast.KindHeading, ast.KindLink, ast.KindList, ast.KindListItem,
-		ast.KindParagraph, ast.KindRawHTML, ast.KindString, ast.KindTextBlock,
-		ast.KindThematicBreak,
-	} {
-		reg.Register(kind, r.skipNode)
-	}
-	reg.Register(ast.KindImage, r.skipImage)
-}
-
-func (r *HTMLRenderer) skipImage(w util.BufWriter, source []byte, node ast.Node, entering bool) (ast.WalkStatus, error) {
-	if !entering {
-		w.WriteString(" ")
-	}
-	return ast.WalkContinue, nil
-}
-
-func (r *HTMLRenderer) skipNode(w util.BufWriter, source []byte, node ast.Node, entering bool) (ast.WalkStatus, error) {
-	return ast.WalkContinue, nil
-}