fix: simplify build script in package.json

Author: yordan-st

packages/pluggableWidgets/barcode-generator-web/package.json

@@ -27,7 +27,7 @@
         "branchName": "barcode-generator-web"
     },
     "scripts": {
-        "build": "cross-env MPKOUTPUT=BarcodeGenerator.mpk pluggable-widgets-tools build:web",
+        "build": "pluggable-widgets-tools build:web",
         "create-gh-release": "rui-create-gh-release",
         "create-translation": "rui-create-translation",
         "dev": "cross-env MPKOUTPUT=BarcodeGenerator.mpk pluggable-widgets-tools start:web",