[turbofan] Remove support for --turbo-types.

test/cctest/compiler/test-pipeline.cc

-// Copyright 2013 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "src/compiler.h"
-#include "src/compiler/pipeline.h"
-#include "src/handles.h"
-#include "src/parsing/parser.h"
-#include "test/cctest/cctest.h"
-
-namespace v8 {
-namespace internal {
-namespace compiler {
-
-static void RunPipeline(Zone* zone, const char* source) {
-  Handle<JSFunction> function = Handle<JSFunction>::cast(v8::Utils::OpenHandle(
-      *v8::Local<v8::Function>::Cast(CompileRun(source))));
-  ParseInfo parse_info(zone, function);
-  CHECK(Compiler::ParseAndAnalyze(&parse_info));
-  CompilationInfo info(&parse_info, function);
-  info.SetOptimizing();
-
-  Pipeline pipeline(&info);
-  Handle<Code> code = pipeline.GenerateCode();
-  CHECK(!code.is_null());
-}
-
-
-TEST(PipelineTyped) {
-  HandleAndZoneScope handles;
-  FLAG_turbo_types = true;
-  RunPipeline(handles.main_zone(), "(function(a,b) { return a + b; })");
-}
-
-
-TEST(PipelineGeneric) {
-  HandleAndZoneScope handles;
-  FLAG_turbo_types = false;
-  RunPipeline(handles.main_zone(), "(function(a,b) { return a + b; })");
-}
-
-}  // namespace compiler
-}  // namespace internal
-}  // namespace v8