fix: remove non-existent probeFn.js and scrapeFn.js from Vite build entry points

These files were added as Rollup entry points but never created as actual
source files — probeFn and scrapeFn are defined inline in index.js.
The missing entry points caused "Could not resolve entry module" on build.

vite.config.ts

@@ -57,8 +57,6 @@ export default defineConfig({
         content: resolve(__dirname, 'src/content/content.js'),
         viewer: resolve(__dirname, 'src/viewer/viewer.html'),
         viewerIndex: resolve(__dirname, 'src/viewer/index.html'),
-        probeFn: resolve(__dirname, 'src/viewer/probeFn.js'),
-        scrapeFn: resolve(__dirname, 'src/viewer/scrapeFn.js'),
         interceptors: resolve(__dirname, 'src/inject/interceptors.js'),
       },
       output: {