wined3d: Get rid of wined3d_volume_get_type().

dlls/wined3d/volume.c

@@ -208,11 +208,6 @@ void CDECL wined3d_volume_preload(struct wined3d_volume *volume)
     FIXME("volume %p stub!\n", volume);
 }
 
-WINED3DRESOURCETYPE CDECL wined3d_volume_get_type(const struct wined3d_volume *volume)
-{
-    return resource_get_type(&volume->resource);
-}
-
 struct wined3d_resource * CDECL wined3d_volume_get_resource(struct wined3d_volume *volume)
 {
     TRACE("volume %p.\n", volume);

dlls/wined3d/wined3d.spec

@@ -120,7 +120,6 @@
 @ cdecl wined3d_volume_get_priority(ptr)
 @ cdecl wined3d_volume_get_private_data(ptr ptr ptr ptr)
 @ cdecl wined3d_volume_get_resource(ptr)
-@ cdecl wined3d_volume_get_type(ptr)
 @ cdecl wined3d_volume_incref(ptr)
 @ cdecl wined3d_volume_map(ptr ptr ptr long)
 @ cdecl wined3d_volume_preload(ptr)

include/wine/wined3d.idl

@@ -3052,7 +3052,6 @@ DWORD __cdecl wined3d_volume_get_priority(const struct wined3d_volume *volume);
 HRESULT __cdecl wined3d_volume_get_private_data(const struct wined3d_volume *volume,
         REFGUID guid, void *data, DWORD *data_size);
 struct wined3d_resource * __cdecl wined3d_volume_get_resource(struct wined3d_volume *volume);
-WINED3DRESOURCETYPE __cdecl wined3d_volume_get_type(const struct wined3d_volume *volume);
 ULONG __cdecl wined3d_volume_incref(struct wined3d_volume *volume);
 HRESULT __cdecl wined3d_volume_map(struct wined3d_volume *volume,
         WINED3DLOCKED_BOX *locked_box, const WINED3DBOX *box, DWORD flags);