Remove unused template init (fix startup crash)

The global template.Must parse at init time was left over from the
basic auth version. web.RenderTemplate handles parsing per-request.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

handler.go

@@ -4,9 +4,6 @@ import (
 	"context"
 	"database/sql"
 	"embed"
-	"fmt"
-	"html/template"
-	"log"
 	"net/http"
 	"strings"
 
@@ -29,33 +26,12 @@ var templateFiles embed.FS
 //go:embed static
 var staticFiles embed.FS
 
-var templates = template.Must(template.ParseFS(templateFiles, "templates/*.html"))
-
 type page struct {
 	Username string
 	Short    string
 	URLs     []*links.URL
 }
 
-func (srv *server) servePage(w http.ResponseWriter, p page, tpl string, funcs ...template.FuncMap) {
-	t := templates
-	if len(funcs) > 0 {
-		t = template.Must(t.Clone())
-		for _, fm := range funcs {
-			t.Funcs(fm)
-		}
-		// Re-parse to pick up the funcs.
-		t = template.Must(template.New("").Funcs(funcs[0]).ParseFS(templateFiles, "templates/*.html"))
-	}
-	err := t.ExecuteTemplate(w, tpl, p)
-	if err != nil {
-		log.Printf("error executing template: %s", err)
-		http.Error(w, fmt.Sprintf("template execution failed: %s", err.Error()),
-			http.StatusInternalServerError)
-		return
-	}
-}
-
 func (srv *server) handleLoginPage(w http.ResponseWriter, r *http.Request) {
 	web.RenderTemplate(w, templateFiles, "login.html", page{}, srv.csrf.TemplateFunc(w))
 }