Disable wss support

None of the existing websocket libraries are currently able to cope
with openssl 0.9 and be featureful, so we are disabling wss for now
to land openssl 0.9.

components/net/resource_thread.rs

@@ -357,7 +357,6 @@ impl CoreResourceManager {
                          resource_grp: &ResourceGroup) {
         websocket_loader::init(connect,
                                connect_data,
-                               resource_grp.cookie_jar.clone(),
-                               resource_grp.ssl_context.clone());
+                               resource_grp.cookie_jar.clone());
     }
 }