[cleanup] Port KeyedLoadIC_{Slow,Miss} to TF and drop unused IC handler code

src/builtins/builtins.h

Index: src/builtins/builtins.h
diff --git a/src/builtins/builtins.h b/src/builtins/builtins.h
index b2b72e21933137d406323ab250c0aa0cd0a43e8b..1cc0e0a732e44fada410f3d5860da9ea836cf438 100644
--- a/src/builtins/builtins.h
+++ b/src/builtins/builtins.h
@@ -212,8 +212,8 @@ namespace internal {
   /* Handlers */                                                               \
   TFS(KeyedLoadIC_Megamorphic_TF, KEYED_LOAD_IC, kNoExtraICState,              \
       LoadWithVector)                                                          \
-  ASM(KeyedLoadIC_Miss)                                                        \
-  ASH(KeyedLoadIC_Slow, HANDLER, Code::KEYED_LOAD_IC)                          \
+  TFS(KeyedLoadIC_Miss, BUILTIN, kNoExtraICState, LoadWithVector)              \
+  TFS(KeyedLoadIC_Slow, HANDLER, Code::KEYED_LOAD_IC, LoadWithVector)          \
   TFS(KeyedStoreIC_Megamorphic_TF, KEYED_STORE_IC, kNoExtraICState,            \
       StoreWithVector)                                                         \
   TFS(KeyedStoreIC_Megamorphic_Strict_TF, KEYED_STORE_IC,                      \