refactor and remove useless stuff

Former-commit-id: 31f37b7a4487e7d0b5763f07f52b8f2b6157a4cd [formerly 8143cd383b7cd35339a21e93ec4d24ba91039708] [formerly 35ea25e79b4bea4d58edfb1745b844fcb12d91d9 [formerly 06c4e4d58bc50b245c78ca3f15d7512fcc16e92b]]
Former-commit-id: e7f57997c2640adcfff36b605a99da9786aed3cb [formerly 2d63af9ef7a090b597239d5c0aeaf056e6366efc]
Former-commit-id: cf7d129de97b0f289a6c35fa1ce9b070d9d6eac9

http_listing.go

@@ -5,26 +5,18 @@ import (
 	"net/http"
 	"strconv"
 	"strings"
-
-	"github.com/mholt/caddy/caddyhttp/httpserver"
 )
 
 // serveListing presents the user with a listage of a directory folder.
 func serveListing(c *requestContext, w http.ResponseWriter, r *http.Request) (int, error) {
 	var err error
 
-	// Loads the content of the directory
+	// Loads the content of the directory.
 	listing, err := getListing(c.us, c.fi.VirtualPath, c.fm.RootURL()+r.URL.Path)
 	if err != nil {
 		return errorToHTTP(err, true), err
 	}
 
-	listing.Context = httpserver.Context{
-		Root: http.Dir(c.us.scope),
-		Req:  r,
-		URL:  r.URL,
-	}
-
 	cookieScope := c.fm.RootURL()
 	if cookieScope == "" {
 		cookieScope = "/"