Fix linter

Author: koperagen

core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/distinct.kt

@@ -19,7 +19,6 @@ import kotlin.reflect.KProperty
 
 // region DataFrame
 
-
 /**
  * ## The Distinct Operation
  *
@@ -36,6 +35,7 @@ import kotlin.reflect.KProperty
  * @see {@include [DocumentationUrls.Distinct]}
  */
 @ExcludeFromSources
+@Suppress("ClassName")
 private interface DistinctDocs {
     interface DISTINCT_PARAM
 }
@@ -100,7 +100,6 @@ public fun <T> DataFrame<T>.distinctBy(vararg columns: String): DataFrame<T> = d
 public fun <T> DataFrame<T>.distinctBy(vararg columns: AnyColumnReference): DataFrame<T> =
     distinctBy { columns.toColumnSet() }
 
-
 /**
  * {@include [DistinctDocs]}
  * {@set PHRASE_ENDING the specified columns}.