Revert of Internalize strings in-place

src/compiler/access-builder.cc

Index: src/compiler/access-builder.cc
diff --git a/src/compiler/access-builder.cc b/src/compiler/access-builder.cc
index 3bd63cc3d5232828caf674882964f0f29c4ba932..6ad041df3bb69d24a092707759932f3a58fd7abf 100644
--- a/src/compiler/access-builder.cc
+++ b/src/compiler/access-builder.cc
@@ -496,15 +496,6 @@
 // static
 FieldAccess AccessBuilder::ForConsStringSecond() {
   FieldAccess access = {kTaggedBase,         ConsString::kSecondOffset,
-                        Handle<Name>(),      MaybeHandle<Map>(),
-                        Type::String(),      MachineType::TaggedPointer(),
-                        kPointerWriteBarrier};
-  return access;
-}
-
-// static
-FieldAccess AccessBuilder::ForThinStringActual() {
-  FieldAccess access = {kTaggedBase,         ThinString::kActualOffset,
                         Handle<Name>(),      MaybeHandle<Map>(),
                         Type::String(),      MachineType::TaggedPointer(),
                         kPointerWriteBarrier};