Revert "Issue #53: Fix the remote event handling for missing handler for UIEventSubtypeRemoteControlPause"

This reverts commit 3aded55d0ddf2a6e6eebbe887a4ca070b2cbca2f.
Issue #53: Also keep handling UIEventSubtypeRemoteControlTogglePlayPause besides UIEventSubtypeRemoteControlPause and UIEventSubtypeRemoteControlPlay.