Remove default plugin entrypoints for hot-reloading

Summary: As we stopped bundling plugins in D39276249, we no longer need the entry points for the bundled plugins (these entry points are always going to be empty)

Reviewed By: lblasa

Differential Revision: D39307565

fbshipit-source-id: 43751fe31c8bd962677c226b27cfe52093d3f2d4

desktop/flipper-ui-browser/src/defaultPlugins/__mocks__/index.tsx

@@ -1,10 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @format
- */
-
-export default {} as any;

desktop/flipper-ui-browser/src/initializeRenderHost.tsx

@@ -52,7 +52,6 @@ export function initializeRenderHost(
         'Flipper settings have changed, please restart flipper server for the changes to take effect',
       );
     },
-    loadDefaultPlugins: getDefaultPluginsIndex,
     serverConfig: flipperServerConfig,
     GK(gatekeeper) {
       return flipperServerConfig.gatekeepers[gatekeeper] ?? false;
@@ -87,10 +86,3 @@ export function initializeRenderHost(
     },
   } as RenderHost;
 }
-
-function getDefaultPluginsIndex() {
-  // @ts-ignore
-  // eslint-disable-next-line import/no-unresolved
-  const index = require('./defaultPlugins');
-  return index.default || index;
-}