Revert of [string] Migrate String.prototype.{split,replace} to TF

src/runtime/runtime.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_RUNTIME_RUNTIME_H_
 #define V8_RUNTIME_RUNTIME_H_
 
 #include <memory>
 
 #include "src/allocation.h"
@@ skipping 801 matching lines @@
   F(Bool8x16Xor, 2, 1)                 \
   F(Bool8x16Not, 1, 1)                 \
   F(Bool8x16AnyTrue, 1, 1)             \
   F(Bool8x16AllTrue, 1, 1)             \
   F(Bool8x16Swizzle, 17, 1)            \
   F(Bool8x16Shuffle, 18, 1)            \
   F(Bool8x16Equal, 2, 1)               \
   F(Bool8x16NotEqual, 2, 1)
 
 #define FOR_EACH_INTRINSIC_STRINGS(F)     \
-  F(GetSubstitution, 4, 1)                \
   F(StringReplaceOneCharWithString, 3, 1) \
   F(StringIndexOf, 3, 1)                  \
   F(StringIndexOfUnchecked, 3, 1)         \
   F(StringLastIndexOf, 2, 1)              \
   F(SubString, 3, 1)                      \
   F(StringAdd, 2, 1)                      \
   F(InternalizeString, 1, 1)              \
   F(StringCharCodeAtRT, 2, 1)             \
   F(StringCompare, 2, 1)                  \
   F(StringBuilderConcat, 3, 1)            \
@@ skipping 333 matching lines @@
   kMaybeDeopted = 1 << 3,
   kOptimized = 1 << 4,
   kTurboFanned = 1 << 5,
   kInterpreted = 1 << 6,
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_RUNTIME_RUNTIME_H_