Direct3D is now the default for every Windows version

Main reason is that tt has the nicer subtitles support
Broken configurations (looking at you S3 and Matrox) will be able to use
the DirectDraw module.

modules/video_output/msw/direct3d.c

@@ -50,8 +50,7 @@
 /*****************************************************************************
  * Module descriptor
  *****************************************************************************/
-static int  OpenVideoXP(vlc_object_t *);
-static int  OpenVideoVista(vlc_object_t *);
+static int  Open(vlc_object_t *);
 static void Close(vlc_object_t *);
 
 #define DESKTOP_TEXT N_("Enable desktop mode ")
@@ -76,13 +75,7 @@ vlc_module_begin ()
 
     set_capability("vout display", 240)
     add_shortcut("direct3d")
-    set_callbacks(OpenVideoVista, Close)
-
-    add_submodule()
-        set_description(N_("Direct3D video output (XP)"))
-        set_capability("vout display", 220)
-        add_shortcut("direct3d_xp")
-        set_callbacks(OpenVideoXP, Close)
+    set_callbacks(Open, Close)
 
 vlc_module_end ()
 
@@ -234,25 +227,6 @@ error:
     return VLC_EGENERIC;
 }
 
-static bool IsVistaOrAbove(void)
-{
-    OSVERSIONINFO winVer;
-    winVer.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
-    return GetVersionEx(&winVer) && winVer.dwMajorVersion > 5;
-}
-
-static int OpenVideoXP(vlc_object_t *obj)
-{
-    /* Windows XP or lower, make sure this module isn't the default */
-    return IsVistaOrAbove() ? VLC_EGENERIC : Open(obj);
-}
-
-static int OpenVideoVista(vlc_object_t *obj)
-{
-    /* Windows Vista or above, make this module the default */
-    return IsVistaOrAbove() ? Open(obj) : VLC_EGENERIC;
-}
-
 /**
  * It destroyes a Direct3D vout display.
  */