removing lib due to error

httpdocs/plp-angular/package.json

@@ -35,7 +35,6 @@
     "zone.js": "~0.10.3"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "^0.901.15",
     "@angular/cli": "^9.1.15",
     "@angular/compiler-cli": "^9.1.13",
     "@angular/language-service": "^9.1.13",