[stubs] Port builtin for Array.push fast-case from Crankshaft to TF

src/ia32/code-stubs-ia32.cc

Index: src/ia32/code-stubs-ia32.cc
diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc
index 51cb1f5ce460dc8f2c8afd79a3da572fe0a95109..f8926bf23945d2c9915591c140529394ce0bf8f8 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -34,11 +34,6 @@ void ArrayNArgumentsConstructorStub::Generate(MacroAssembler* masm) {
   __ TailCallRuntime(Runtime::kNewArray);
 }
 
-void FastArrayPushStub::InitializeDescriptor(CodeStubDescriptor* descriptor) {
-  Address deopt_handler = Runtime::FunctionForId(Runtime::kArrayPush)->entry;
-  descriptor->Initialize(eax, deopt_handler, -1, JS_FUNCTION_STUB_MODE);
-}
-
 void FastFunctionBindStub::InitializeDescriptor(
     CodeStubDescriptor* descriptor) {
   Address deopt_handler = Runtime::FunctionForId(Runtime::kFunctionBind)->entry;