Remove unused type

source/RobotAPI/libraries/armem/core/container_maps.h

@@ -32,14 +32,6 @@ namespace armarx::armem
 
     namespace detail
     {
-    template <class KeyT, class ValueT>
-    struct MapRef
-    {
-        KeyT* key;
-        ValueT* value;
-    };
-
-
 
         /**
         * @brief Get the entry in the map for which the returned key is the longest prefix