Reword download cache/indexing strings for consistency

app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsAdvancedScreen.kt

@@ -190,7 +190,6 @@ class SettingsAdvancedScreen : SearchableSettings {
                 ),
                 Preference.PreferenceItem.TextPreference(
                     title = stringResource(R.string.pref_invalidate_download_cache),
-                    subtitle = stringResource(R.string.pref_invalidate_download_cache_summary),
                     onClick = { Injekt.get<DownloadCache>().invalidateCache() },
                 ),
                 Preference.PreferenceItem.TextPreference(

i18n/src/main/res/values/strings.xml

@@ -505,8 +505,7 @@
     <string name="cache_deleted">Cache cleared. %1$d files have been deleted</string>
     <string name="cache_delete_error">Error occurred while clearing</string>
     <string name="pref_auto_clear_chapter_cache">Clear chapter cache on app close</string>
-    <string name="pref_invalidate_download_cache">Invalidate download cache</string>
-    <string name="pref_invalidate_download_cache_summary">Forces the app to reindex downloads</string>
+    <string name="pref_invalidate_download_cache">Reindex downloads</string>
     <string name="pref_clear_database">Clear database</string>
     <string name="pref_clear_database_summary">Delete history for entries that are not saved in your library</string>
     <string name="clear_database_source_item_count">%1$d non-library entries in database</string>
@@ -883,7 +882,7 @@
     <string name="channel_new_chapters">Chapter updates</string>
     <string name="channel_app_updates">App updates</string>
     <string name="channel_ext_updates">Extension updates</string>
-    <string name="channel_downloader_cache">Download cache</string>
+    <string name="channel_downloader_cache">Indexing</string>
     <string name="channel_crash_logs">Crash logs</string>
 
     <!-- S Pen actions -->