[runtime] Remove useless IN builtin.

src/full-codegen/full-codegen.h

 // Copyright 2012 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_FULL_CODEGEN_FULL_CODEGEN_H_
 #define V8_FULL_CODEGEN_FULL_CODEGEN_H_
 
 #include "src/allocation.h"
 #include "src/assert-scope.h"
 #include "src/ast.h"
@@ skipping 470 matching lines @@
   // Platform-specific code sequences for calls
   void EmitCall(Call* expr, CallICState::CallType = CallICState::FUNCTION);
   void EmitSuperConstructorCall(Call* expr);
   void EmitCallWithLoadIC(Call* expr);
   void EmitSuperCallWithLoadIC(Call* expr);
   void EmitKeyedCallWithLoadIC(Call* expr, Expression* key);
   void EmitKeyedSuperCallWithLoadIC(Call* expr);
 
 #define FOR_EACH_FULL_CODE_INTRINSIC(F)   \
   F(IsSmi)                                \
-  F(IsNonNegativeSmi)                     \
   F(IsArray)                              \
   F(IsTypedArray)                         \
   F(IsRegExp)                             \
   F(IsJSProxy)                            \
   F(IsConstructCall)                      \
   F(CallFunction)                         \
   F(DefaultConstructorCallSuper)          \
   F(ArgumentsLength)                      \
   F(Arguments)                            \
   F(ValueOf)                              \
@@ skipping 576 matching lines @@
 
   Address start_;
   Address instruction_start_;
   uint32_t length_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FULL_CODEGEN_FULL_CODEGEN_H_