linting fixes

Author: Jolanrensen

core/generated-sources/src/main/kotlin/org/jetbrains/kotlinx/dataframe/columns/ColumnSet.kt

@@ -33,6 +33,5 @@ internal fun <C> SingleColumn<C>.asColumnSet(): ColumnSet<C> =
         else -> object : ColumnSet<C>, SingleColumn<C> by this {}
     }
 
-
 internal fun <C> ColumnsSelectionDsl<C>.asColumnSet(): ColumnSet<DataRow<C>> =
     asSingleColumn().asColumnSet()

core/generated-sources/src/main/kotlin/org/jetbrains/kotlinx/dataframe/impl/aggregation/ConfiguredAggregateColumn.kt

@@ -17,7 +17,6 @@ internal class ConfiguredAggregateColumn<C> private constructor(
     private fun ColumnWithPath<C>.toDescriptor(keepName: Boolean): AggregateColumnDescriptor<C> =
         when (val col = this) {
             is AggregateColumnDescriptor<C> -> {
-
                 // Fix for K2 smart-casting changes
                 val currentDefault = this@ConfiguredAggregateColumn.default
                 val currentNewPath = this@ConfiguredAggregateColumn.newPath

core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/columns/ColumnSet.kt

@@ -33,6 +33,5 @@ internal fun <C> SingleColumn<C>.asColumnSet(): ColumnSet<C> =
         else -> object : ColumnSet<C>, SingleColumn<C> by this {}
     }
 
-
 internal fun <C> ColumnsSelectionDsl<C>.asColumnSet(): ColumnSet<DataRow<C>> =
     asSingleColumn().asColumnSet()

core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/impl/aggregation/ConfiguredAggregateColumn.kt

@@ -17,7 +17,6 @@ internal class ConfiguredAggregateColumn<C> private constructor(
     private fun ColumnWithPath<C>.toDescriptor(keepName: Boolean): AggregateColumnDescriptor<C> =
         when (val col = this) {
             is AggregateColumnDescriptor<C> -> {
-
                 // Fix for K2 smart-casting changes
                 val currentDefault = this@ConfiguredAggregateColumn.default
                 val currentNewPath = this@ConfiguredAggregateColumn.newPath