Revert of [builtins] implement Array.prototype.includes in TurboFan

src/factory.h

 // Copyright 2014 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.
 
 #ifndef V8_FACTORY_H_
 #define V8_FACTORY_H_
 
 #include "src/isolate.h"
 #include "src/messages.h"
 #include "src/type-feedback-vector.h"
@@ skipping 362 matching lines @@
   Handle<Object> NewNumberFromSize(size_t value,
                                    PretenureFlag pretenure = NOT_TENURED) {
     // We can't use Smi::IsValid() here because that operates on a signed
     // intptr_t, and casting from size_t could create a bogus sign bit.
     if (value <= static_cast<size_t>(Smi::kMaxValue)) {
       return Handle<Object>(Smi::FromIntptr(static_cast<intptr_t>(value)),
                             isolate());
     }
     return NewNumber(static_cast<double>(value), pretenure);
   }
-  Handle<Object> NewNumberFromInt64(int64_t value,
-                                    PretenureFlag pretenure = NOT_TENURED) {
-    if (value <= std::numeric_limits<int32_t>::max() &&
-        value >= std::numeric_limits<int32_t>::min() &&
-        Smi::IsValid(static_cast<int32_t>(value))) {
-      return Handle<Object>(Smi::FromInt(static_cast<int32_t>(value)),
-                            isolate());
-    }
-    return NewNumber(static_cast<double>(value), pretenure);
-  }
   Handle<HeapNumber> NewHeapNumber(double value,
                                    MutableMode mode = IMMUTABLE,
                                    PretenureFlag pretenure = NOT_TENURED);
 
 #define SIMD128_NEW_DECL(TYPE, Type, type, lane_count, lane_type) \
   Handle<Type> New##Type(lane_type lanes[lane_count],             \
                          PretenureFlag pretenure = NOT_TENURED);
   SIMD128_TYPES(SIMD128_NEW_DECL)
 #undef SIMD128_NEW_DECL
 
@@ skipping 347 matching lines @@
                                      FunctionMode function_mode);
 
   void SetStrictFunctionInstanceDescriptor(Handle<Map> map,
                                            FunctionMode function_mode);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_FACTORY_H_