switch from condenser calls to database and rc apis per recommendation
adjusting RC and Vesting delegation queries to utilize database_api and rc_api i/o condenser_api for optimization per recommendations by @wrona in !367 (comment 174409)
adjusting RC and Vesting delegation queries to utilize database_api and rc_api i/o condenser_api for optimization per recommendations by @wrona in !367 (comment 174409)