Remove some dead code in src/objects.cc

src/full-codegen/ppc/full-codegen-ppc.cc

Index: src/full-codegen/ppc/full-codegen-ppc.cc
diff --git a/src/full-codegen/ppc/full-codegen-ppc.cc b/src/full-codegen/ppc/full-codegen-ppc.cc
index c8f7697d1bf8cf859d8f23446a0d9801b095899e..7a39f664813633ce6cdf786bb2ef6eb1b5aaa2ed 100644
--- a/src/full-codegen/ppc/full-codegen-ppc.cc
+++ b/src/full-codegen/ppc/full-codegen-ppc.cc
@@ -974,12 +974,10 @@ void FullCodeGenerator::VisitForInStatement(ForInStatement* stmt) {
   PrepareForBailoutForId(stmt->ToObjectId(), TOS_REG);
   __ push(r3);
 
-  // Check cache validity in generated code. This is a fast case for
-  // the JSObject::IsSimpleEnum cache validity checks. If we cannot
-  // guarantee cache validity, call the runtime system to check cache
-  // validity or get the property names in a fixed array.
-  // Note: Proxies never have an enum cache, so will always take the
-  // slow path.
+  // Check cache validity in generated code. If we cannot guarantee cache
+  // validity, call the runtime system to check cache validity or get the
+  // property names in a fixed array. Note: Proxies never have an enum cache,
+  // so will always take the slow path.
   Label call_runtime;
   __ CheckEnumCache(&call_runtime);