Remove unused instruction pointer from Metadata

renderdoc/driver/shaders/dxil/dxil_bytecode.h

@@ -498,8 +498,6 @@ struct Metadata
 
   Value value;
 
-  const Instruction *const *inst = NULL;
-
   const Type *type = NULL;
   rdcstr str;
   rdcarray<Metadata *> children;

renderdoc/driver/shaders/dxil/dxil_disassemble.cpp

@@ -1688,9 +1688,7 @@ rdcstr Metadata::valString() const
     {
       const Instruction *i = NULL;
 
-      if(inst && *inst)
-        i = *inst;
-      else if(value.type == ValueType::Instruction)
+      if(value.type == ValueType::Instruction)
         i = value.instruction;
 
       if(i)