address comment

Author: cloud-fan

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala

@@ -387,7 +387,6 @@ case class Cast(child: Expression, dataType: DataType, timeZoneId: Option[String
   /**
    * Create new `Decimal` with precision and scale given in `decimalType` (if any),
    * returning null if it overflows or creating a new `value` and returning it if successful.
-   *
    */
   private[this] def toPrecision(value: Decimal, decimalType: DecimalType): Decimal =
     value.toPrecision(decimalType.precision, decimalType.scale)