Revert "Revert "Revert "Removed usage of std::map and std::vector from kernel code. Issue #28064."""

runtime/vm/kernel_to_il.h

Index: runtime/vm/kernel_to_il.h
diff --git a/runtime/vm/kernel_to_il.h b/runtime/vm/kernel_to_il.h
index 298125b4c714fc0bcf62f7b97da1254e45187e0f..e518cee8e1cec12366a43c316b05a5f9a8804f40 100644
--- a/runtime/vm/kernel_to_il.h
+++ b/runtime/vm/kernel_to_il.h
@@ -75,10 +75,6 @@ class Map : public DirectChainedHashMap<RawPointerKeyValueTrait<K, V> > {
       return pair->value;
     }
   }
-
-  inline Pair* LookupPair(const Key& key) {
-    return DirectChainedHashMap<RawPointerKeyValueTrait<K, V> >::Lookup(key);
-  }
 };
 
 class BreakableBlock;