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

src/arm/code-stubs-arm.cc

Index: src/arm/code-stubs-arm.cc
diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
index 59f304d51dd7229daef43d92a864063b80657ab6..086294a9484e01ae6f95b7a5bc4d63750aad0d92 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -33,11 +33,6 @@ void ArrayNArgumentsConstructorStub::Generate(MacroAssembler* masm) {
   __ TailCallRuntime(Runtime::kNewArray);
 }
 
-void FastArrayPushStub::InitializeDescriptor(CodeStubDescriptor* descriptor) {
-  Address deopt_handler = Runtime::FunctionForId(Runtime::kArrayPush)->entry;
-  descriptor->Initialize(r0, deopt_handler, -1, JS_FUNCTION_STUB_MODE);
-}
-
 void FastFunctionBindStub::InitializeDescriptor(
     CodeStubDescriptor* descriptor) {
   Address deopt_handler = Runtime::FunctionForId(Runtime::kFunctionBind)->entry;