Remove the pause_after.py plugin

Pause after current song is now a built-in feature, so I don't need a
plugin too.

plugins/pause_after.py

@@ -1,31 +0,0 @@
-# Bryan Schumaker (10/30/2010)
-
-import ocarina
-libsaria = ocarina.libsaria
-menu = ocarina.menu
-do_pause = False
-
-def check_pause(*args):
-	global do_pause
-	if do_pause == True:
-		libsaria.controls.pause()
-		do_pause = False
-
-def set_pause(*args):
-	global do_pause
-	do_pause = True
-
-def start():
-	text = "Pause after current song"
-	menu.add_common_menu_item(text, set_pause)
-	libsaria.event.invite("POSTNEXT", check_pause)
-
-def stop():
-	pass
-
-def check_version():
-	if ocarina.__major__ != 4:
-		return False
-	if ocarina.__minor__ == 3:
-		return True
-	return True