[debugger] Move clearing of optimized code map out of GC.

src/heap/objects-visiting-inl.h

Index: src/heap/objects-visiting-inl.h
diff --git a/src/heap/objects-visiting-inl.h b/src/heap/objects-visiting-inl.h
index 4b8e27d450e6a8d76b4216d882590ef0879aa867..2582b9092dd1e25e1fb27b5ac26214953d107508 100644
--- a/src/heap/objects-visiting-inl.h
+++ b/src/heap/objects-visiting-inl.h
@@ -472,13 +472,6 @@ void StaticMarkingVisitor<StaticVisitor>::VisitSharedFunctionInfo(
       VisitSharedFunctionInfoWeakCode(heap, object);
       return;
     }
-  } else {
-    // TODO(mstarzinger): Drop this case, it shouldn't be done here!
-    if (!shared->optimized_code_map()->IsSmi()) {
-      // Flush optimized code map on major GCs without code flushing,
-      // needed because cached code doesn't contain breakpoints.
-      shared->ClearOptimizedCodeMap();
-    }
   }
   VisitSharedFunctionInfoStrongCode(heap, object);
 }