[ot-face] Remove tables_t. The face_data_t is what tables_t was
diff --git a/src/hb-face.cc b/src/hb-face.cc
index ddf8e48..2fb5a0a 100644
--- a/src/hb-face.cc
+++ b/src/hb-face.cc
@@ -533,7 +533,7 @@
 			  hb_set_t  *out)
 {
   if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return;
-  hb_ot_face_data (face)->table.cmap->collect_unicodes (out);
+  hb_ot_face_data (face)->cmap->collect_unicodes (out);
 }
 
 /**
@@ -550,7 +550,7 @@
 				     hb_set_t  *out)
 {
   if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return;
-  hb_ot_face_data (face)->table.cmap->collect_variation_selectors (out);
+  hb_ot_face_data (face)->cmap->collect_variation_selectors (out);
 }
 
 /**
@@ -568,7 +568,7 @@
 				    hb_set_t  *out)
 {
   if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return;
-  hb_ot_face_data (face)->table.cmap->collect_variation_unicodes (variation_selector, out);
+  hb_ot_face_data (face)->cmap->collect_variation_unicodes (variation_selector, out);
 }