remove goji/httpauth

non-updated package
ref: #3976

README.md

@@ -162,7 +162,6 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
 * [gologin](https://github.com/dghubble/gologin) - chainable handlers for login with OAuth1 and OAuth2 authentication providers.
 * [gorbac](https://github.com/mikespook/gorbac) - provides a lightweight role-based access control (RBAC) implementation in Golang.
 * [goth](https://github.com/markbates/goth) - provides a simple, clean, and idiomatic way to use OAuth and OAuth2. Handles multiple providers out of the box.
-* [httpauth](https://github.com/goji/httpauth) - HTTP Authentication middleware.
 * [jeff](https://github.com/abraithwaite/jeff) - Simple, flexible, secure and idiomatic web session management with pluggable backends.
 * [jwt](https://github.com/robbert229/jwt) - Clean and easy to use implementation of JSON Web Tokens (JWT).
 * [jwt](https://github.com/pascaldekloe/jwt) - Lightweight JSON Web Token (JWT) library.