[cleanup] Remove dead code from DeclareLookupSlot and rename it

src/full-codegen/mips/full-codegen-mips.cc

Index: src/full-codegen/mips/full-codegen-mips.cc
diff --git a/src/full-codegen/mips/full-codegen-mips.cc b/src/full-codegen/mips/full-codegen-mips.cc
index d921226a483496933388a34d8d55b8b4438a9264..861b7fecd5ed7dcac7b6d2f81b7f2b43854e5f91 100644
--- a/src/full-codegen/mips/full-codegen-mips.cc
+++ b/src/full-codegen/mips/full-codegen-mips.cc
@@ -804,7 +804,6 @@ void FullCodeGenerator::VisitVariableDeclaration(
       DCHECK(Smi::FromInt(0) == 0);
       __ mov(a0, zero_reg);  // Smi::FromInt(0) indicates no initial value.
       __ Push(a2, a0);
-      __ Push(Smi::FromInt(variable->DeclarationPropertyAttributes()));
       __ CallRuntime(Runtime::kDeclareLookupSlot);
       PrepareForBailoutForId(proxy->id(), BailoutState::NO_REGISTERS);
       break;
@@ -862,7 +861,6 @@ void FullCodeGenerator::VisitFunctionDeclaration(
       PushOperand(a2);
       // Push initial value for function declaration.
       VisitForStackValue(declaration->fun());
-      PushOperand(Smi::FromInt(variable->DeclarationPropertyAttributes()));
       CallRuntimeWithOperands(Runtime::kDeclareLookupSlot);
       PrepareForBailoutForId(proxy->id(), BailoutState::NO_REGISTERS);
       break;