Remove some comments

sendfile.go

@@ -16,16 +16,13 @@ func newSendFileResponseModifier(rw http.ResponseWriter, req *http.Request) *res
 	m := &responseModifier{rw: rw}
 	m.wantModify = func() bool {
-		// Check X-Sendfile header
 		file = m.Header().Get("X-Sendfile")
 		m.Header().Del("X-Sendfile")
-		// If file is empty or status is not 200 pass through header
 		return file != "" && m.status == http.StatusOK
 	}
 	m.modify = func() {
-		// Serve the file
 		log.Printf("Send file %q for %s %q", file, req.Method, req.RequestURI)
 		content, fi, err := openFile(file)
 		if err != nil {
@@ -35,7 +32,6 @@ func newSendFileResponseModifier(rw http.ResponseWriter, req *http.Request) *res
 		defer content.Close()
 		http.ServeContent(m.rw, req, "", fi.ModTime(), content)
-
 	}
 	req.Header.Set("X-Sendfile-Type", "X-Sendfile")