Drop indexes not compatible with timestamptz

Author: Oliver Weichhold

src/Miningcore/Persistence/Postgres/Scripts/createdb.sql

@@ -105,7 +105,6 @@ CREATE TABLE poolstats
 );
 
 CREATE INDEX IDX_POOLSTATS_POOL_CREATED on poolstats(poolid, created);
-CREATE INDEX IDX_POOLSTATS_POOL_CREATED_HOUR on poolstats(poolid, date_trunc('hour',created));
 
 CREATE TABLE minerstats
 (
@@ -120,6 +119,4 @@ CREATE TABLE minerstats
 
 CREATE INDEX IDX_MINERSTATS_POOL_CREATED on minerstats(poolid, created);
 CREATE INDEX IDX_MINERSTATS_POOL_MINER_CREATED on minerstats(poolid, miner, created);
-CREATE INDEX IDX_MINERSTATS_POOL_MINER_CREATED_HOUR on minerstats(poolid, miner, date_trunc('hour',created));
-CREATE INDEX IDX_MINERSTATS_POOL_MINER_CREATED_DAY on minerstats(poolid, miner, date_trunc('day',created));
 CREATE INDEX IDX_MINERSTATS_POOL_MINER_WORKER_CREATED_HASHRATE on minerstats(poolid,miner,worker,created desc,hashrate);