Remove strong mode support from binary operations.

src/code-stubs.cc

Index: src/code-stubs.cc
diff --git a/src/code-stubs.cc b/src/code-stubs.cc
index 7ac058b359d0e9461fcfcf2bdad9000669c3bf69..0d6b822ca76e771b01155f2d228798464579905d 100644
--- a/src/code-stubs.cc
+++ b/src/code-stubs.cc
@@ -276,7 +276,7 @@ MaybeHandle<Code> CodeStub::GetCode(Isolate* isolate, uint32_t key) {
 void BinaryOpICStub::GenerateAheadOfTime(Isolate* isolate) {
   // Generate the uninitialized versions of the stub.
   for (int op = Token::BIT_OR; op <= Token::MOD; ++op) {
-    BinaryOpICStub stub(isolate, static_cast<Token::Value>(op), Strength::WEAK);
+    BinaryOpICStub stub(isolate, static_cast<Token::Value>(op));
     stub.GetCode();
   }