Remove consul token helper method.

A Consul config struct can be passed using the `Config` helper making this helper redundant.

registry/consul/options.go

@@ -14,12 +14,3 @@ func Config(c *consul.Config) registry.Option {
 		o.Context = context.WithValue(o.Context, "consul_config", c)
 	}
 }
-
-func Token(t string) registry.Option {
-	return func(o *registry.Options) {
-		if o.Context == nil {
-			o.Context = context.Background()
-		}
-		o.Context = context.WithValue(o.Context, "consul_token", t)
-	}
-}

registry/consul_registry.go

@@ -58,10 +58,6 @@ func newConsulRegistry(opts ...Option) Registry {
 		if c, ok := options.Context.Value("consul_config").(*consul.Config); ok {
 			config = c
 		}
-
-		if t, ok := options.Context.Value("consul_token").(string); ok {
-			config.Token = t
-		}
 	}
 
 	// set timeout