remove legacy "written in" handling

These sentences exist in codesite README.txt files, but the codesite2git
script removed all the tags from the README.md files in generated Git
repositories, so this clause will never be used

main.go

@@ -208,17 +208,6 @@ func (this *Application) Repopage(w http.ResponseWriter, r *http.Request, repoNa
 	extraBadgesMd := ` ![](https://img.shields.io/badge/build-success-brightgreen)`
 	extraBadgesMd += ` [![](https://img.shields.io/badge/vcs-git-green?logo=git)](` + repoURL + `)`
 
-	// Convert [`Written in LANG` "\n"] to badge
-	// This was special syntax used by codesite
-	writtenInPrefix := `Written in `
-	for i, line := range lines {
-		if strings.HasPrefix(line, writtenInPrefix) {
-			extraBadgesMd += ` ![](https://img.shields.io/badge/written%20in-` + url.QueryEscape(line[len(writtenInPrefix):]) + `-blue)`
-			lines = append(lines[0:i], lines[i+1:]...)
-			break
-		}
-	}
-
 	// Inject more badges to 3rd line; or, create badges on 3rd line if there are none already
 	if len(lines) >= 3 && strings.Contains(lines[2], `shields.io`) {
 		lines[2] += ` ` + extraBadgesMd