Remove a couple of unused consts

src/hb-ot-hhea-table.hh

@@ -44,11 +44,6 @@ namespace OT {
 
 struct _hea
 {
-  static const hb_tag_t tableTag = HB_TAG('_','h','e','a');
-
-  static const hb_tag_t hheaTag	= HB_OT_TAG_hhea;
-  static const hb_tag_t vheaTag	= HB_OT_TAG_vhea;
-
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);

src/hb-ot-layout-gsubgpos-private.hh

@@ -2285,9 +2285,6 @@ struct Extension
 
 struct GSUBGPOS
 {
-  static const hb_tag_t GSUBTag	= HB_OT_TAG_GSUB;
-  static const hb_tag_t GPOSTag	= HB_OT_TAG_GPOS;
-
   inline unsigned int get_script_count (void) const
   { return (this+scriptList).len; }
   inline const Tag& get_script_tag (unsigned int i) const

src/main.cc

@@ -106,8 +106,8 @@ main (int argc, char **argv)
 
       switch (table.tag) {
 
-      case GSUBGPOS::GSUBTag:
-      case GSUBGPOS::GPOSTag:
+      case HB_OT_TAG_GSUB:
+      case HB_OT_TAG_GPOS:
 	{
 
 	const GSUBGPOS &g = *CastP<GSUBGPOS> (font_data + table.offset);