fix warnings

lib/something_erlang_web/controllers/page_controller.ex

@@ -27,7 +27,7 @@ defmodule SomethingErlangWeb.PageController do
     end
   end
 
-  def to_forum_path(conn, params) do
+  def to_forum_path(conn, _params) do
     render(conn, :home)
   end
 end