Remove plugin center authentication

Squash commits of branch feature/remove_plugin_center_auth:

- Remove plugin center authentication

- Fix i18n file

- Fix tests

- Changelog entry

scm-webapp/src/main/java/sonia/scm/update/plugin/PluginCenterAuthenticationUpdateStep.java

@@ -1,69 +0,0 @@
-/*
- * Copyright (c) 2020 - present Cloudogu GmbH
- *
- * This program is free software: you can redistribute it and/or modify it under
- * the terms of the GNU Affero General Public License as published by the Free
- * Software Foundation, version 3.
- *
- * 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 Affero General Public License for more
- * details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see https://www.gnu.org/licenses/.
- */
-
-package sonia.scm.update.plugin;
-
-import com.google.common.base.Strings;
-import jakarta.inject.Inject;
-import sonia.scm.migration.UpdateStep;
-import sonia.scm.plugin.Extension;
-import sonia.scm.plugin.PluginCenterAuthenticator;
-import sonia.scm.security.CipherUtil;
-import sonia.scm.store.ConfigurationStore;
-import sonia.scm.store.ConfigurationStoreFactory;
-import sonia.scm.version.Version;
-
-import static sonia.scm.version.Version.parse;
-
-@Extension
-public class PluginCenterAuthenticationUpdateStep implements UpdateStep {
-
-  private final ConfigurationStoreFactory configurationStoreFactory;
-
-  @Inject
-  public PluginCenterAuthenticationUpdateStep(ConfigurationStoreFactory configurationStoreFactory) {
-    this.configurationStoreFactory = configurationStoreFactory;
-  }
-
-  @Override
-  public void doUpdate() throws Exception {
-    ConfigurationStore<PluginCenterAuthenticator.Authentication> configurationStore = configurationStoreFactory
-      .withType(PluginCenterAuthenticator.Authentication.class)
-      .withName("plugin-center-auth")
-      .build();
-    configurationStore.getOptional()
-      .ifPresent(config -> {
-        String token = config.getRefreshToken();
-        CipherUtil cipher = CipherUtil.getInstance();
-        if (Strings.isNullOrEmpty(token) || !token.startsWith("{enc}")) {
-          token = "{enc}".concat(cipher.encode(token));
-          config.setRefreshToken(token);
-          configurationStore.set(config);
-        }
-      });
-  }
-
-
-  @Override
-  public Version getTargetVersion() {
-    return parse("2.30.0");
-  }
-
-  @Override
-  public String getAffectedDataType() {
-    return "sonia.scm.plugin-center.authentication";
-  }
-}