Merge pull request #753 from eosnetworkfoundation/remove_kv_database_…

…config

[3.2] insert comments in the kv_config header file indicating it is not in use

libraries/chain/include/eosio/chain/kv_config.hpp

@@ -6,11 +6,14 @@
 namespace eosio { namespace chain {
 
    /**
-    * @brief limits for a kv database.
+    * @brief limits for a kv database: NOT IN USE for mandel
     *
     * Each database (ram or disk, currently) has its own limits for these parameters.
     * The key and value limits apply when adding or modifying elements.  They may be reduced
     * below existing database entries.
+    * 
+    * This has been marked for removal at a later date, when v7 snapshots are deemed necessary.
+    * kv_database_config will be removed as part of that effort.
     */
    struct kv_database_config {
       std::uint32_t max_key_size   = 0; ///< the maximum size in bytes of a key