message: Remove dead code; NFC
diff: @@ -2462,10 +2462,6 @@ llvm_ir::ElementGenerator ElementalIrEmitter::MakeElementGenerator(
  operand_to_generator.at(hlo->operand(i))(index));
  operands.push_back(operand_value);
  }
  - std::vector<llvm_ir::ElementGenerator> input_generators;
  - for (const HloInstruction* instr : hlo->operands()) {
  - input_generators.push_back(operand_to_generator.at(instr));
  - }
  return EmitElementalMap(Cast<HloMapInstruction>(hlo), operands);
  };
  case HloOpcode::kReduceWindow:
  