Convert ListHeader to a data class

app/src/main/kotlin/org/koitharu/kotatsu/list/ui/model/ListHeader.kt

@@ -4,7 +4,7 @@ import android.content.Context
 import androidx.annotation.StringRes
 import org.koitharu.kotatsu.core.ui.model.DateTimeAgo
 
-class ListHeader private constructor(
+data class ListHeader private constructor(
 	private val text: CharSequence?,
 	@StringRes private val textRes: Int,
 	private val dateTimeAgo: DateTimeAgo?,
@@ -39,26 +39,4 @@ class ListHeader private constructor(
 	override fun areItemsTheSame(other: ListModel): Boolean {
 		return other is ListHeader && text == other.text && dateTimeAgo == other.dateTimeAgo && textRes == other.textRes
 	}
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as ListHeader
-
-		if (text != other.text) return false
-		if (textRes != other.textRes) return false
-		if (dateTimeAgo != other.dateTimeAgo) return false
-		if (buttonTextRes != other.buttonTextRes) return false
-		return payload == other.payload
-	}
-
-	override fun hashCode(): Int {
-		var result = text?.hashCode() ?: 0
-		result = 31 * result + textRes
-		result = 31 * result + (dateTimeAgo?.hashCode() ?: 0)
-		result = 31 * result + buttonTextRes
-		result = 31 * result + (payload?.hashCode() ?: 0)
-		return result
-	}
 }