Revert "Add Smi::Zero and replace all Smi::FromInt(0) calls"

src/crankshaft/mips/lithium-codegen-mips.cc

Index: src/crankshaft/mips/lithium-codegen-mips.cc
diff --git a/src/crankshaft/mips/lithium-codegen-mips.cc b/src/crankshaft/mips/lithium-codegen-mips.cc
index 2c35390f46cc2ad1d6191d79feba47deefe4833c..e48ac1aefd9ca678ea869d7a29746dce56675e21 100644
--- a/src/crankshaft/mips/lithium-codegen-mips.cc
+++ b/src/crankshaft/mips/lithium-codegen-mips.cc
@@ -5370,7 +5370,7 @@ void LCodeGen::DoForInCacheArray(LForInCacheArray* instr) {
   Register result = ToRegister(instr->result());
   Label load_cache, done;
   __ EnumLength(result, map);
-  __ Branch(&load_cache, ne, result, Operand(Smi::kZero));
+  __ Branch(&load_cache, ne, result, Operand(Smi::FromInt(0)));
   __ li(result, Operand(isolate()->factory()->empty_fixed_array()));
   __ jmp(&done);