Attempt #2 at fixing heroku

Procfile

@@ -1,2 +1,2 @@
-release: python manage.py migrate
+release: rm -rf node_modules/ pipeline/ && python manage.py migrate
 web: gunicorn PyRIGS.wsgi --log-file -

app.json

@@ -2,9 +2,7 @@
   "name": "PyRIGS",
   "description": "",
   "scripts": {
-    "build": "node node_modules/gulp/bin/gulp build",
     "postdeploy": "python manage.py migrate && python manage.py generateSampleData",
-    "heroku-cleanup": "rm node_modules/ pipeline/"
   },
   "stack": "heroku-20",
   "env": {

package.json

@@ -34,6 +34,7 @@
     "browser-sync": "^2.26.12"
   },
   "scripts": {
-    "gulp": "gulp"
+    "gulp": "gulp",
+    "build": "node node_modules/gulp/bin/gulp build"
   }
 }