shaped-texture: Remove bad comment

We do not assume ownership of the clip region anymore.

src/compositor/meta-shaped-texture.c

@@ -947,8 +947,8 @@ meta_shaped_texture_set_input_shape_region (MetaShapedTexture *stex,
 /**
  * meta_shaped_texture_set_clip_region:
  * @stex: a #MetaShapedTexture
- * @clip_region: (transfer full): the region of the texture that
- *   is visible and should be painted.
+ * @clip_region: the region of the texture that is visible and
+ *   should be painted.
  *
  * Provides a hint to the texture about what areas of the texture
  * are not completely obscured and thus need to be painted. This

src/meta/meta-shaped-texture.h

@@ -81,7 +81,6 @@ void meta_shaped_texture_set_mask_texture (MetaShapedTexture *stex,
 void meta_shaped_texture_set_input_shape_region (MetaShapedTexture *stex,
                                                  cairo_region_t    *shape_region);
 
-/* Assumes ownership of clip_region */
 void meta_shaped_texture_set_clip_region (MetaShapedTexture *stex,
 					  cairo_region_t    *clip_region);