Return correct error code from accounts/self/detail in test server

Also clean up some old cruft with accounts.

Change-Id: Icdb9af950d32dc909c51aa3c155c890e6ff62014
diff --git a/polygerrit-ui/server.go b/polygerrit-ui/server.go
index 66f9e55..cb6d236 100644
--- a/polygerrit-ui/server.go
+++ b/polygerrit-ui/server.go
@@ -19,7 +19,6 @@
 	"compress/gzip"
 	"errors"
 	"flag"
-	"fmt"
 	"io"
 	"log"
 	"net"
@@ -33,7 +32,6 @@
 	restHost = flag.String("host", "gerrit-review.googlesource.com", "Host to proxy requests to")
 	port     = flag.String("port", ":8081", "Port to serve HTTP requests on")
 	prod     = flag.Bool("prod", false, "Serve production assets")
-	loggedIn = flag.Bool("logged_in", false, "Return user info as if the user is logged in")
 )
 
 func main() {
@@ -79,27 +77,9 @@
 }
 
 func handleAccountDetail(w http.ResponseWriter, r *http.Request) {
-	if !*loggedIn {
-		http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
-		return
-	}
-	fmt.Fprint(w, accountInfo)
+	http.Error(w, http.StatusText(http.StatusForbidden), http.StatusForbidden)
 }
 
-const accountInfo = `)]}'
-{
-  "registered_on": "2015-08-31 21:24:17.614000000",
-  "_account_id": 1021482,
-  "name": "Andrew Bonventre",
-  "email": "andybons@chromium.org",
-  "avatars": [
-    {
-      "url": "https://lh4.googleusercontent.com/-1EovlES413I/AAAAAAAAAAI/AAAAAAAAAAA/GQ5-31ULE1Q/s26-p/photo.jpg",
-      "height": 26
-    }
-  ]
-}`
-
 type gzipResponseWriter struct {
 	io.WriteCloser
 	http.ResponseWriter