use better kotlin syntactic sugar

app/src/main/java/eu/kanade/tachiyomi/util/system/LocaleHelper.kt

@@ -18,8 +18,7 @@ object LocaleHelper {
         return when (lang) {
             SourcePresenter.LAST_USED_KEY -> context.getString(R.string.last_used_source)
             SourcePresenter.PINNED_KEY -> context.getString(R.string.pinned_sources)
-            "" -> context.getString(R.string.other_source)
-            "other" -> context.getString(R.string.other_source)
+            "","other" -> context.getString(R.string.other_source)
             "all" -> context.getString(R.string.all_lang)
             else -> getDisplayName(lang)
         }
@@ -34,7 +33,6 @@ object LocaleHelper {
         if (lang == null) {
             return ""
         }
-
         val locale = if (lang.isEmpty()) {
             LocaleListCompat.getAdjustedDefault()[0]
         } else {