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/app/src/electron/initializeElectron.tsx

@@ -172,7 +172,6 @@ export async function initializeElectron(
     restartFlipper(update: boolean = false) {
       restart(update);
     },
-    loadDefaultPlugins: getDefaultPluginsIndex,
     serverConfig: flipperServerConfig,
     GK(gatekeeper) {
       return flipperServerConfig.gatekeepers[gatekeeper] ?? false;
@@ -207,9 +206,3 @@ export async function initializeElectron(
     },
   } as RenderHost;
 }
-
-function getDefaultPluginsIndex() {
-  // eslint-disable-next-line import/no-unresolved
-  const index = require('../defaultPlugins');
-  return index.default || index;
-}