Update TODO

TODO

diff --git a/TODO b/TODO
index dee6e2e..4808391 100644
--- a/TODO
+++ b/TODO
@@ -25,12 +25,12 @@
 
 - hb-ft load_flags issues.
 
-- get_glyph() / get_glyph_variant()?
-
 - Add pkg-config files for glue codes (harfbuzz-glib, etc)
 
 - 'const' for getter APIs? (use mutable internally)
 
+- Remove hb_ot_shape_glyphs_closure()?
+
 
 API additions
 =============