[CFF] Remove unused member single_val

src/hb-cff-interp-dict-common.hh

@@ -35,10 +35,8 @@ using namespace OT;
 /* an opstr and the parsed out dict value(s) */
 struct dict_val_t : op_str_t
 {
-  void init () { single_val.set_int (0); }
+  void init () {}
   void fini () {}
-
-  number_t	      single_val;
 };
 
 typedef dict_val_t num_dict_val_t;

src/hb-ot-cff1-table.hh

@@ -902,8 +902,6 @@ struct cff1_private_dict_opset_t : dict_opset_t
       case OpCode_FamilyOtherBlues:
       case OpCode_StemSnapH:
       case OpCode_StemSnapV:
-	env.clear_args ();
-	break;
       case OpCode_StdHW:
       case OpCode_StdVW:
       case OpCode_BlueScale:
@@ -915,7 +913,6 @@ struct cff1_private_dict_opset_t : dict_opset_t
       case OpCode_initialRandomSeed:
       case OpCode_defaultWidthX:
       case OpCode_nominalWidthX:
-	val.single_val = env.argStack.pop_num ();
 	env.clear_args ();
 	break;
       case OpCode_Subrs:

src/hb-ot-cff2-table.hh

@@ -283,9 +283,6 @@ struct cff2_private_dict_opset_t : dict_opset_t
       case OpCode_BlueFuzz:
       case OpCode_ExpansionFactor:
       case OpCode_LanguageGroup:
-	val.single_val = env.argStack.pop_num ();
-	env.clear_args ();
-	break;
       case OpCode_BlueValues:
       case OpCode_OtherBlues:
       case OpCode_FamilyBlues: