remove unused file

core/src/main/java/info/nightscout/androidaps/utils/ListDiffCallback.kt

@@ -1,65 +0,0 @@
-package info.nightscout.androidaps.utils
-
-import androidx.recyclerview.widget.DiffUtil
-import androidx.recyclerview.widget.ListUpdateCallback
-import androidx.recyclerview.widget.RecyclerView
-
-open class ListDiffCallback<T>(private val newItems: List<T>, private val oldItems: List<T>) : DiffUtil.Callback() {
-
-    override fun getOldListSize(): Int = oldItems.size
-
-    override fun getNewListSize(): Int = newItems.size
-
-    /**
-     * Called by the DiffUtil to decide whether two object represent the same Item.
-     * <p>
-     * For example, if your items have unique ids, this method should check their id equality.
-     *
-     * @param oldItemPosition The position of the item in the old list
-     * @param newItemPosition The position of the item in the new list
-     * @return True if the two items represent the same object or false if they are different.
-     */
-    override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean =
-        newItems[newItemPosition] == oldItems[oldItemPosition]
-
-    /**
-     * Called by the DiffUtil when it wants to check whether two items have the same data.
-     * DiffUtil uses this information to detect if the contents of an item has changed.
-     * <p>
-     * DiffUtil uses this method to check equality instead of {@link Object#equals(Object)}
-     * so that you can change its behavior depending on your UI.
-     * For example, if you are using DiffUtil with a
-     * {@link RecyclerView.Adapter RecyclerView.Adapter}, you should
-     * return whether the items' visual representations are the same.
-     * <p>
-     * This method is called only if {@link #areItemsTheSame(int, int)} returns
-     * {@code true} for these items.
-     *
-     * @param oldItemPosition The position of the item in the old list
-     * @param newItemPosition The position of the item in the new list which replaces the
-     *                        oldItem
-     * @return True if the contents of the items are the same or false if they are different.
-     */
-    override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean =
-        newItems[newItemPosition] == oldItems[oldItemPosition]
-}
-
-class ListUpdateCallbackHelper(val adapter: RecyclerView.Adapter<*>, val insertCallback: (Int) -> Unit) : ListUpdateCallback {
-
-    override fun onChanged(position: Int, count: Int, payload: Any?) {
-        adapter.notifyItemRangeChanged(position, count, payload)
-    }
-
-    override fun onInserted(position: Int, count: Int) {
-        adapter.notifyItemRangeInserted(position, count)
-        insertCallback(position)
-    }
-
-    override fun onMoved(fromPosition: Int, toPosition: Int) {
-        adapter.notifyItemMoved(fromPosition, toPosition)
-    }
-
-    override fun onRemoved(position: Int, count: Int) {
-        adapter.notifyItemRangeRemoved(position, count)
-    }
-}