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

src/crankshaft/lithium-codegen.cc

Index: src/crankshaft/lithium-codegen.cc
diff --git a/src/crankshaft/lithium-codegen.cc b/src/crankshaft/lithium-codegen.cc
index 7e2333f558b18200160b6c40bb36cdc7564c4abc..decc2a596f9f37684e6951fc442b4d6af1a4be93 100644
--- a/src/crankshaft/lithium-codegen.cc
+++ b/src/crankshaft/lithium-codegen.cc
@@ -328,9 +328,9 @@ void LCodeGenBase::PopulateDeoptimizationData(Handle<Code> code) {
     AllowDeferredHandleDereference allow_handle_dereference;
     data->SetSharedFunctionInfo(*info_->shared_info());
   } else {
-    data->SetSharedFunctionInfo(Smi::kZero);
+    data->SetSharedFunctionInfo(Smi::FromInt(0));
   }
-  data->SetWeakCellCache(Smi::kZero);
+  data->SetWeakCellCache(Smi::FromInt(0));
 
   Handle<FixedArray> literals =
       factory()->NewFixedArray(deoptimization_literals_.length(), TENURED);