remove used classes

app/proguard-rules.pro

@@ -1,6 +1,3 @@
 -keep class com.simplemobiletools.notes.pro.models.ChecklistItem {
     <fields>;
 }
--keep class com.simplemobiletools.notes.pro.models.ChecklistSort {
-    <fields>;
-}

app/src/main/kotlin/com/simplemobiletools/notes/pro/models/ChecklistSort.kt

@@ -1,21 +0,0 @@
-package com.simplemobiletools.notes.pro.models
-
-data class ChecklistSort(
-    val field: ChecklistSortField,
-    val direction: ChecklistSortDirection,
-) {
-
-    fun getSortComparator(): Comparator<ChecklistItem> {
-        return when (field) {
-            ChecklistSortField.TITLE -> compareWithSortDirection { it.title }
-            ChecklistSortField.DATE_CREATED -> compareWithSortDirection { it.dateCreated }
-        }
-    }
-
-    private fun compareWithSortDirection(compareFunc: (ChecklistItem) -> Comparable<*>): Comparator<ChecklistItem> {
-        return when (direction) {
-            ChecklistSortDirection.ASCENDING -> compareBy(compareFunc)
-            ChecklistSortDirection.DESCENDING -> compareByDescending(compareFunc)
-        }
-    }
-}

app/src/main/kotlin/com/simplemobiletools/notes/pro/models/ChecklistSortDirection.kt

@@ -1,6 +0,0 @@
-package com.simplemobiletools.notes.pro.models
-
-enum class ChecklistSortDirection {
-    ASCENDING,
-    DESCENDING,
-}

app/src/main/kotlin/com/simplemobiletools/notes/pro/models/ChecklistSortField.kt

@@ -1,6 +0,0 @@
-package com.simplemobiletools.notes.pro.models
-
-enum class ChecklistSortField {
-    TITLE,
-    DATE_CREATED,
-}