server: Remove unused code from BalanceDataHandler

server/app/com/xsn/explorer/data/BalanceDataHandler.scala

@@ -11,8 +11,6 @@ trait BalanceDataHandler[F[_]] {
   def upsert(balance: Balance): F[Balance]
 
   def getRichest(query: PaginatedQuery): F[PaginatedResult[Balance]]
-
-  def getCirculatingSupply(): F[BigDecimal]
 }
 
 trait BalanceBlockingDataHandler extends BalanceDataHandler[ApplicationResult]

server/app/com/xsn/explorer/data/anorm/BalancePostgresDataHandler.scala

@@ -30,10 +30,4 @@ class BalancePostgresDataHandler @Inject() (
 
     Good(result)
   }
-
-  override def getCirculatingSupply(): ApplicationResult[BigDecimal] = withConnection { implicit conn =>
-    val result = balancePostgresDAO.getCirculatingSupply
-
-    Good(result)
-  }
 }

server/app/com/xsn/explorer/data/anorm/dao/BalancePostgresDAO.scala

@@ -63,17 +63,4 @@ class BalancePostgresDAO {
 
     Count(result)
   }
-
-  def getCirculatingSupply(implicit conn: Connection): BigDecimal = {
-    SQL(
-      """
-        |SELECT SUM(available)
-        |FROM balances
-        |WHERE address NOT IN (
-        |  SELECT address
-        |  FROM hidden_addresses
-        |)
-      """.stripMargin
-    ).as(SqlParser.scalar[BigDecimal].single)
-  }
 }

server/app/com/xsn/explorer/data/async/BalanceFutureDataHandler.scala

@@ -22,8 +22,4 @@ class BalanceFutureDataHandler @Inject() (
   override def getRichest(query: PaginatedQuery): FutureApplicationResult[PaginatedResult[Balance]] = Future {
     blockingDataHandler.getRichest(query)
   }
-
-  override def getCirculatingSupply(): FutureApplicationResult[BigDecimal] = Future {
-    blockingDataHandler.getCirculatingSupply()
-  }
 }