Remove addOpenIDMixins in favor of re-worked approach.

lib/passport-openid/strategy.js

@@ -401,49 +401,6 @@ Strategy.prototype._parseProfileExt = function(params) {
   return profile;
 }
 
-/**
- * Allow the addition of mixins to the OpenID library.
- *
- * As simple as merging the passed object into the included openid library,
- * primarily intended for implementing a different storage mechanism for
- * saving association state.
- * See https://github.com/havard/node-openid/#storing-association-state
- *
- * Examples:
- *
- *     passport.use(new OpenIDStrategy({
- *         returnURL: 'http://localhost:3000/auth/openid/return',
- *         realm: 'http://localhost:3000/'
- *       },
- *       function(identifier, done) {
- *         User.findByOpenID(identifier, function (err, user) {
- *           done(err, user);
- *         });
- *       }
- *     ).addOpenIDMixins({
- *       saveAssociation: function(provider, type, handle, secret, expiry_time_in_seconds, callback) {
- *         // custom storage implementation
- *       },
- *       loadAssociation: function(handle, callback) {
-           // custom storage retrieval implementation
- *       }
- *     }));
- *
- * @param {Object} mixins
- * @api protected
- */
-Strategy.prototype.addOpenIDMixins = function(mixins) {
-  //i maybe replace this with a more robust copy routine
-  if (mixins) {
-    for (var p in mixins) {
-      openid[p] = mixins[p];
-    }
-  }
-
-  // return this for chaining
-  return this;
-};
-
 
 /**
  * Expose `Strategy`.