[ic][ia32][x87] Don't push/pop value/slot/vector in store handlers.

src/assembler.h

Index: src/assembler.h
diff --git a/src/assembler.h b/src/assembler.h
index 77beac12a2b984272e9408a5cf4f11d29c874235..771f3073db4deda5bcc75626599708c9a005b673 100644
--- a/src/assembler.h
+++ b/src/assembler.h
@@ -1035,9 +1035,6 @@ class ExternalReference BASE_EMBEDDED {
   static ExternalReference invoke_function_callback(Isolate* isolate);
   static ExternalReference invoke_accessor_getter_callback(Isolate* isolate);
 
-  static ExternalReference virtual_handler_register(Isolate* isolate);
-  static ExternalReference virtual_slot_register(Isolate* isolate);
-
   static ExternalReference runtime_function_table_address(Isolate* isolate);
 
   Address address() const { return reinterpret_cast<Address>(address_); }