Remove mainnet schema prefix from the query (#393)

aggregates/adapot/src/main/java/com/bloxbean/cardano/yaci/store/adapot/snapshot/InstantRewardSnapshotService.java

@@ -65,7 +65,7 @@ WITH LatestMIR AS (SELECT tx_hash,
                                           block,
                                           block_time,
                                           ROW_NUMBER() OVER (PARTITION BY address ORDER BY slot DESC) AS rn
-                                   FROM mainnet.mir
+                                   FROM mir
                                    WHERE epoch = :epoch)
                 insert into instant_reward
                 select address          as address,