Simplify bundled plugin setup

Summary: Stop bundling plugins into Flipper Server bundles. In later diffs, we will start building all plugins even in dev mode which removes the need to bundle them.

Reviewed By: lblasa

Differential Revision: D39276249

fbshipit-source-id: 091405cfcf58aa7e1bd2b382da40f8d9841ae6b1

desktop/flipper-server-companion/src/initializeRenderHost.tsx

@@ -46,7 +46,7 @@ export function initializeRenderHost(
     restartFlipper() {
       // TODO:
     },
-    loadDefaultPlugins: getDefaultPluginsIndex,
+    loadDefaultPlugins: () => ({}),
     serverConfig: flipperServerConfig,
     GK(gatekeeper) {
       return flipperServerConfig.gatekeepers[gatekeeper] ?? false;
@@ -81,8 +81,3 @@ export function initializeRenderHost(
     },
   } as RenderHost;
 }
-
-function getDefaultPluginsIndex() {
-  // TODO: Fix me
-  return {};
-}