ditch unused KeyUpdateHelper class

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/KeyUpdateHelper.java

@@ -1,71 +0,0 @@
-/*
- * Copyright (C) 2017 Schürmann & Breitmoser GbR
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package org.sufficientlysecure.keychain.util;
-
-public class KeyUpdateHelper {
-
-    /*
-
-    public void updateAllKeys(Context context, KeychainIntentServiceHandler finishedHandler) {
-        UpdateTask updateTask = new UpdateTask(context, finishedHandler);
-        updateTask.execute();
-    }
-
-    private class UpdateTask extends AsyncTask<Void, Void, Void> {
-        private Context mContext;
-        private KeychainIntentServiceHandler mHandler;
-
-        public UpdateTask(Context context, KeychainIntentServiceHandler handler) {
-            this.mContext = context;
-            this.mHandler = handler;
-        }
-
-        @Override
-        protected Void doInBackground(Void... voids) {
-            ProviderHelper providerHelper = new ProviderHelper(mContext);
-            List<ImportKeysListEntry> keys = new ArrayList<ImportKeysListEntry>();
-            String[] servers = Preferences.getPreferences(mContext).getKeyServers();
-
-            if (servers != null && servers.length > 0) {
-                // Load all the fingerprints in the database and prepare to import them
-                for (String fprint : providerHelper.getAllFingerprints(KeychainContract.KeyRings.buildUnifiedKeyRingsUri())) {
-                    ImportKeysListEntry key = new ImportKeysListEntry();
-                    key.setFingerprintHex(fprint);
-                    key.addOrigin(servers[0]);
-                    keys.add(key);
-                }
-
-                // Start the service and update the keys
-                Intent importIntent = new Intent(mContext, KeychainService.class);
-                importIntent.setAction(KeychainService.ACTION_DOWNLOAD_AND_IMPORT_KEYS);
-
-                Bundle importData = new Bundle();
-                importData.putParcelableArrayList(KeychainService.DOWNLOAD_KEY_LIST,
-                        new ArrayList<ImportKeysListEntry>(keys));
-                importIntent.putExtra(KeychainService.EXTRA_SERVICE_INTENT, importData);
-
-                importIntent.putExtra(KeychainService.EXTRA_MESSENGER, new Messenger(mHandler));
-
-                mContext.startService(importIntent);
-            }
-            return null;
-        }
-    }
-    */
-
-}