Minor: Remove LongOffsetArrayOf and LongOffsetLongArrayOf

src/hb-open-file-private.hh

@@ -139,7 +139,7 @@ struct TTCHeaderVersion1
   Tag		ttcTag;		/* TrueType Collection ID string: 'ttcf' */
   FixedVersion	version;	/* Version of the TTC Header (1.0),
 				 * 0x00010000 */
-  LongOffsetLongArrayOf<OffsetTable>
+  LongArrayOf<OffsetTo<OffsetTable, ULONG> >
 		table;		/* Array of offsets to the OffsetTable for each font
 				 * from the beginning of the file */
   public:

src/hb-open-type-private.hh

@@ -855,14 +855,6 @@ struct LongArrayOf : ArrayOf<Type, ULONG> {};
 template <typename Type>
 struct OffsetArrayOf : ArrayOf<OffsetTo<Type> > {};
 
-/* Array of LongOffset's */
-template <typename Type>
-struct LongOffsetArrayOf : ArrayOf<OffsetTo<Type, ULONG> > {};
-
-/* LongArray of LongOffset's */
-template <typename Type>
-struct LongOffsetLongArrayOf : LongArrayOf<OffsetTo<Type, ULONG> > {};
-
 /* Array of offsets relative to the beginning of the array itself. */
 template <typename Type>
 struct OffsetListOf : OffsetArrayOf<Type>

src/hb-ot-layout-gdef-table.hh

@@ -282,7 +282,7 @@ struct MarkGlyphSetsFormat1
 
   protected:
   USHORT	format;			/* Format identifier--format = 1 */
-  LongOffsetArrayOf<Coverage>
+  ArrayOf<OffsetTo<Coverage, ULONG> >
 		coverage;		/* Array of long offsets to mark set
 					 * coverage tables */
   public: