Use unified storage location for local source

core/src/main/java/eu/kanade/tachiyomi/util/storage/DiskUtil.kt

@@ -3,9 +3,7 @@ package eu.kanade.tachiyomi.util.storage
 import android.content.Context
 import android.media.MediaScannerConnection
 import android.net.Uri
-import android.os.Environment
 import android.os.StatFs
-import androidx.core.content.ContextCompat
 import com.hippo.unifile.UniFile
 import eu.kanade.tachiyomi.util.lang.Hash
 import java.io.File
@@ -64,23 +62,6 @@ object DiskUtil {
         }
     }
 
-    /**
-     * Returns the root folders of all the available external storages.
-     */
-    fun getExternalStorages(context: Context): List<File> {
-        return ContextCompat.getExternalFilesDirs(context, null)
-            .filterNotNull()
-            .mapNotNull {
-                val file = File(it.absolutePath.substringBefore("/Android/"))
-                val state = Environment.getExternalStorageState(file)
-                if (state == Environment.MEDIA_MOUNTED || state == Environment.MEDIA_MOUNTED_READ_ONLY) {
-                    file
-                } else {
-                    null
-                }
-            }
-    }
-
     /**
      * Don't display downloaded chapters in gallery apps creating `.nomedia`.
      */