remove all graphql plugin migration work

Signed-off-by: zcason <a-zcason@expediagroup.com>

plugins/graphql-backend/README.md

@@ -26,19 +26,3 @@ yarn workspace example-backend start
 ```
 
 This will launch the full example backend.
-
-### New Backend System
-
-The grahpql backend plugin has support for the [new backend system](https://backstage.io/docs/backend-system/), here's how you can set that up:
-In your `packages/backend/src/index.ts` make the following changes:
-
-```diff
-import { createBackend } from '@backstage/backend-defaults';
-
-const backend = createBackend();
-
-backend.add(import('@backstage/plugin-graphql-backend'));
-// ... other feature additions
-
-backend.start();
-```

plugins/graphql-backend/api-report.md

@@ -3,7 +3,6 @@
 > Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
 
 ```ts
-import { BackendFeature } from '@backstage/backend-plugin-api';
 import { Config } from '@backstage/config';
 import express from 'express';
 import { Logger } from 'winston';
@@ -11,10 +10,6 @@ import { Logger } from 'winston';
 // @public (undocumented)
 export function createRouter(options: RouterOptions): Promise<express.Router>;
 
-// @public
-const graphqlPlugin: () => BackendFeature;
-export default graphqlPlugin;
-
 // @public (undocumented)
 export interface RouterOptions {
   // (undocumented)

plugins/graphql-backend/package.json

@@ -35,7 +35,6 @@
   "dependencies": {
     "@apollo/server": "^4.0.0",
     "@backstage/backend-common": "workspace:^",
-    "@backstage/backend-plugin-api": "workspace:^",
     "@backstage/config": "workspace:^",
     "@backstage/plugin-catalog-graphql": "workspace:^",
     "@graphql-tools/schema": "^9.0.0",

plugins/graphql-backend/src/index.ts

@@ -21,4 +21,3 @@
  */
 
 export * from './service/router';
-export { graphqlPlugin as default } from './plugin';

plugins/graphql-backend/src/plugin.ts

@@ -1,42 +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.
- */
-import {
-  coreServices,
-  createBackendPlugin,
-} from '@backstage/backend-plugin-api';
-import { createRouter } from './service/router';
-import { loggerToWinstonLogger } from '@backstage/backend-common';
-
-export const graphqlPlugin = createBackendPlugin({
-  pluginId: 'graphql',
-  register(env) {
-    env.registerInit({
-      deps: {
-        config: coreServices.rootConfig,
-        http: coreServices.httpRouter,
-        logger: coreServices.logger,
-      },
-      async init({ config, http, logger }) {
-        http.use(
-          await createRouter({
-            config,
-            logger: loggerToWinstonLogger(logger),
-          }),
-        );
-      },
-    });
-  },
-});