Remove library update order setting

This doesn't make sense to have if the intention is to have reasonably sized global updates. Opting to remove it to remove complexity instead.

app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateRanker.kt

@@ -1,58 +0,0 @@
-package eu.kanade.tachiyomi.data.library
-
-import eu.kanade.tachiyomi.data.database.models.Manga
-import java.util.Collections
-import kotlin.math.abs
-
-/**
- * This class will provide various functions to rank manga to efficiently schedule manga to update.
- */
-object LibraryUpdateRanker {
-
-    val rankingScheme = listOf(
-        (this::lexicographicRanking)(),
-        (this::latestFirstRanking)(),
-        (this::nextFirstRanking)()
-    )
-
-    /**
-     * Provides a total ordering over all the Mangas.
-     *
-     * Orders the manga based on the distance between the next expected update and now.
-     * The comparator is reversed, placing the smallest (and thus closest to updating now) first.
-     */
-    fun nextFirstRanking(): Comparator<Manga> {
-        val time = System.currentTimeMillis()
-        return Collections.reverseOrder(
-            Comparator { mangaFirst: Manga,
-                mangaSecond: Manga ->
-                compareValues(abs(mangaSecond.next_update - time), abs(mangaFirst.next_update - time))
-            }
-        )
-    }
-
-    /**
-     * Provides a total ordering over all the [Manga]s.
-     *
-     * Assumption: An active [Manga] mActive is expected to have been last updated after an
-     * inactive [Manga] mInactive.
-     *
-     * Using this insight, function returns a Comparator for which mActive appears before mInactive.
-     * @return a Comparator that ranks manga based on relevance.
-     */
-    private fun latestFirstRanking(): Comparator<Manga> =
-        Comparator { first: Manga, second: Manga ->
-            compareValues(second.last_update, first.last_update)
-        }
-
-    /**
-     * Provides a total ordering over all the [Manga]s.
-     *
-     * Order the manga lexicographically.
-     * @return a Comparator that ranks manga lexicographically based on the title.
-     */
-    private fun lexicographicRanking(): Comparator<Manga> =
-        Comparator { first: Manga, second: Manga ->
-            compareValues(first.title, second.title)
-        }
-}

app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateService.kt

@@ -17,7 +17,6 @@ import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.database.models.toMangaInfo
 import eu.kanade.tachiyomi.data.download.DownloadManager
 import eu.kanade.tachiyomi.data.download.DownloadService
-import eu.kanade.tachiyomi.data.library.LibraryUpdateRanker.rankingScheme
 import eu.kanade.tachiyomi.data.library.LibraryUpdateService.Companion.start
 import eu.kanade.tachiyomi.data.notification.Notifications
 import eu.kanade.tachiyomi.data.preference.MANGA_FULLY_READ
@@ -271,10 +270,9 @@ class LibraryUpdateService(
             }
         }
 
-        val selectedScheme = preferences.libraryUpdatePrioritization().get()
         mangaToUpdate = listToUpdate
             .distinctBy { it.id }
-            .sortedWith(rankingScheme[selectedScheme])
+            .sortedBy { it.title }
 
         // Warn when excessively checking a single source
         val maxUpdatesFromSource = mangaToUpdate