VectorICs: Remove --vector-stores flag.

src/heap/heap.h

Index: src/heap/heap.h
diff --git a/src/heap/heap.h b/src/heap/heap.h
index 4c1d204cc9e6666affd9225d717302207d1ca4d6..e45baeb28504ce2cc230fe119b33e87ec9899d3f 100644
--- a/src/heap/heap.h
+++ b/src/heap/heap.h
@@ -813,9 +813,6 @@ class Heap {
   // Clear the Instanceof cache (used when a prototype changes).
   inline void ClearInstanceofCache();
 
-  // Iterates the whole code space to clear all keyed store ICs.
-  void ClearAllKeyedStoreICs();
-
   // FreeSpace objects have a null map after deserialization. Update the map.
   void RepairFreeListsAfterDeserialization();