[interpreter] Remove OperandScale from front stages of pipeline.

src/interpreter/bytecodes.h

Index: src/interpreter/bytecodes.h
diff --git a/src/interpreter/bytecodes.h b/src/interpreter/bytecodes.h
index 00712de3bdd94352eb74039fce89559330ad307f..46cf0a37933e9f4b9fa2299505303e3aebd852a2 100644
--- a/src/interpreter/bytecodes.h
+++ b/src/interpreter/bytecodes.h
@@ -644,10 +644,7 @@ class Bytecodes {
   static OperandSize SizeForSignedOperand(int value);
 
   // Return the operand size required to hold an unsigned operand.
-  static OperandSize SizeForUnsignedOperand(int value);
-
-  // Return the operand size required to hold an unsigned operand.
-  static OperandSize SizeForUnsignedOperand(size_t value);
+  static OperandSize SizeForUnsignedOperand(uint32_t value);
 
   // Return the OperandScale required for bytecode emission of
   // operand sizes.