Revert "fix: frontend build test fix for stage" (#138)

This reverts commit e426892bb2.

package-lock.json

@@ -10,7 +10,6 @@
       "license": "AGPL-3.0",
       "dependencies": {
         "@edx/brand": "npm:@edx/brand-openedx@1.1.0",
-        "@edx/frontend-build": "9.1.4",
         "@edx/frontend-platform": "1.15.4",
         "@edx/paragon": "19.10.1",
         "@reduxjs/toolkit": "1.8.0",

package.json

@@ -31,7 +31,6 @@
     "url": "https://github.com/edx/frontend-app-discussions/issues"
   },
   "dependencies": {
-    "@edx/frontend-build": "9.1.4",
     "@edx/brand": "npm:@edx/brand-openedx@1.1.0",
     "@edx/frontend-platform": "1.15.4",
     "@edx/paragon": "19.10.1",