chore: remove unused build alias (#9525)

scripts/alias.js

@@ -10,6 +10,5 @@ module.exports = {
   web: resolve('src/platforms/web'),
   weex: resolve('src/platforms/weex'),
   server: resolve('src/server'),
-  entries: resolve('src/entries'),
   sfc: resolve('src/sfc')
 }