Remove redaction logic from parseCredentials.

We now redact the credentials in the logger, so the function implemented
by the deleted lines now seems redudndant.

Signed-off-by: Jon Seymour <jon@wildducktheories.com>

services/httpd/handler.go

@@ -590,8 +590,6 @@ func parseCredentials(r *http.Request) (string, string, error) {
 	q := r.URL.Query()
 
 	if u, p := q.Get("u"), q.Get("p"); u != "" && p != "" {
-		q.Set("p", "[REDACTED]")
-		r.URL.RawQuery = q.Encode()
 		return u, p, nil
 	}
 	if u, p, ok := r.BasicAuth(); ok {