[stubs] Remove the is_jsarray bit from the TransitionElementsKindStub.

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

Index: src/crankshaft/arm/lithium-codegen-arm.cc
diff --git a/src/crankshaft/arm/lithium-codegen-arm.cc b/src/crankshaft/arm/lithium-codegen-arm.cc
index 276ccf376c5b50bb5868fd588b2f857a90cf26cc..8f8a7b80037b92ff98867412e2a65409cf08ca5b 100644
--- a/src/crankshaft/arm/lithium-codegen-arm.cc
+++ b/src/crankshaft/arm/lithium-codegen-arm.cc
@@ -4214,8 +4214,7 @@ void LCodeGen::DoTransitionElementsKind(LTransitionElementsKind* instr) {
     DCHECK(object_reg.is(r0));
     PushSafepointRegistersScope scope(this);
     __ Move(r1, to_map);
-    bool is_js_array = from_map->instance_type() == JS_ARRAY_TYPE;
-    TransitionElementsKindStub stub(isolate(), from_kind, to_kind, is_js_array);
+    TransitionElementsKindStub stub(isolate(), from_kind, to_kind);
     __ CallStub(&stub);
     RecordSafepointWithRegisters(
         instr->pointer_map(), 0, Safepoint::kLazyDeopt);