message: [sql_db_plugin] cleaning up
diff: * @copyright defined in eos/LICENSE.txt
  */
  #include <eosio/sql_db_plugin/sql_db_plugin.hpp>
  -#include <eosio/chain/config.hpp>
  -#include <eosio/chain/exceptions.hpp>
  -#include <eosio/chain/transaction.hpp>
  -#include <eosio/chain/types.hpp>
  -
  -#include <fc/io/json.hpp>
  -#include <fc/variant.hpp>
  -
  -#include <boost/thread/thread.hpp>
  -#include <boost/thread/mutex.hpp>
  -#include <boost/thread/condition_variable.hpp>
  -
  -#include <queue>
  #include "consumer.h"
  @@ -30,16 +17,6 @@ namespace fc { class variant; }
  namespace eosio {
  -using chain::account_name;
  -using chain::action_name;
  -using chain::block_id_type;
  -using chain::permission_name;
  -using chain::transaction;
  -using chain::signed_transaction;
  -using chain::signed_block;
  -using chain::block_trace;
  -using chain::transaction_id_type;
  -
  static appbase::abstract_plugin& _sql_db_plugin = app().register_plugin<sql_db_plugin>();
  sql_db_plugin::sql_db_plugin()
  