removed undefined function in header

include/opendht/dht.h

@@ -243,13 +243,6 @@ public:
 
     int pingNode(const sockaddr*, socklen_t);
 
-    /**
-     * Maintains the store. For each storage, if values don't belong there
-     * anymore because this node is too far from the target, values are sent to
-     * the appropriate nodes.
-     */
-    void maintainStore(bool force=false);
-
     time_point periodic(const uint8_t *buf, size_t buflen, const sockaddr *from, socklen_t fromlen);
 
     /**
@@ -886,6 +879,11 @@ private:
     void expireStorage();
     void storageChanged(Storage& st, ValueStorage&);
 
+    /**
+     * For a given storage, if values don't belong there anymore because this
+     * node is too far from the target, values are sent to the appropriate
+     * nodes.
+     */
     size_t maintainStorage(InfoHash id, bool force=false, DoneCallback donecb=nullptr);
 
     // Buckets