Disable all typographic replacements in markdown renderer (#11871)

* Disable all typographic replacements in markdown renderer

Previously we only disabled some of them. This disables all the default
replacements that goldmark's typographer extension offers, matching
GitHub's renderer.

Ref: https://github.com/yuin/goldmark#typographer-extension
Fixes: https://github.com/go-gitea/gitea/issues/11001

* remove typographer extension completely

* fix test

* really fix test

Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>

modules/markup/html_test.go

@@ -208,7 +208,7 @@ func TestRender_email(t *testing.T) {
 	// Test that should *not* be turned into email links
 	test(
 		"\"info@gitea.com\"",
-		`<p>“info@gitea.com”</p>`)
+		`<p>&#34;info@gitea.com&#34;</p>`)
 	test(
 		"/home/gitea/mailstore/info@gitea/com",
 		`<p>/home/gitea/mailstore/info@gitea/com</p>`)

modules/markup/markdown/markdown.go

@@ -49,13 +49,6 @@ func render(body []byte, urlPrefix string, metas map[string]string, wikiMarkdown
 				extension.TaskList,
 				extension.DefinitionList,
 				common.FootnoteExtension,
-				extension.NewTypographer(
-					extension.WithTypographicSubstitutions(extension.TypographicSubstitutions{
-						extension.EnDash:   nil,
-						extension.EmDash:   nil,
-						extension.Ellipsis: nil,
-					}),
-				),
 				meta.Meta,
 			),
 			goldmark.WithParserOptions(