Remove strong mode support from binary operations.

src/code-factory.h

Index: src/code-factory.h
diff --git a/src/code-factory.h b/src/code-factory.h
index 91aaa055a7195659742c23f3d41856ece004de25..18df1d8496ea1ba462ee01fe011c79f0c13687f1 100644
--- a/src/code-factory.h
+++ b/src/code-factory.h
@@ -57,12 +57,10 @@ class CodeFactory final {
       Isolate* isolate, LanguageMode mode,
       InlineCacheState initialization_state);
 
-  static Callable CompareIC(Isolate* isolate, Token::Value op,
-                            Strength strength);
+  static Callable CompareIC(Isolate* isolate, Token::Value op);
   static Callable CompareNilIC(Isolate* isolate, NilValue nil_value);
 
-  static Callable BinaryOpIC(Isolate* isolate, Token::Value op,
-                             Strength strength);
+  static Callable BinaryOpIC(Isolate* isolate, Token::Value op);
 
   // Code stubs. Add methods here as needed to reduce dependency on
   // code-stubs.h.