refactor: move config to search-backend plugin

Signed-off-by: Enrico Alvarenga <enricomalvarenga@gmail.com>

plugins/search/config.d.ts

@@ -1,40 +0,0 @@
-/*
- * Copyright 2023 The Backstage Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-export interface Config {
-  app: {
-    /**
-     * Configuration options for the search plugin
-     */
-    search?: {
-      /**
-       * An object representing the default search query configuration.
-       * By configuring and modifying the values of this object,
-       * you can customize the default values of the search component
-       * and define how it behaves when it is first loaded or reset.
-       */
-      query?: {
-        /**
-         * A number indicating the maximum number of results to be returned
-         * per page during pagination.
-         *
-         * @visibility frontend
-         */
-        pageLimit?: 10 | 25 | 50 | 100;
-      };
-    };
-  };
-}