fix double free on shutdown

fun fact: freeing things on shutdown like this is just wasted lines of code

src/daemon/entrance.c

@@ -412,7 +412,6 @@ main (int argc, char ** argv)
    ecore_shutdown();
    PT("session shutdown\n");
    entrance_session_shutdown();
-   free(dname);
    if (entrance_session_logged_get())
      {
         PT("user logged, waiting...\n");