Run cleanup script from the right location

.slugignore

@@ -1,3 +1,6 @@
 *.sqlite3
 *.md
 **/tests
+conftest.py
+pytest.ini
+Dockerfile

app.json

@@ -2,8 +2,7 @@
   "name": "PyRIGS",
   "description": "",
   "scripts": {
-    "postdeploy": "python manage.py migrate && python manage.py generateSampleData",
-    "heroku-cleanup": "rm -rf node_modules pipeline"
+    "postdeploy": "python manage.py migrate && python manage.py generateSampleData"
   },
   "stack": "heroku-20",
   "env": {

package.json

@@ -35,6 +35,7 @@
   },
   "scripts": {
     "gulp": "gulp",
-    "build": "node node_modules/gulp/bin/gulp build"
+    "build": "node node_modules/gulp/bin/gulp build",
+    "heroku-cleanup": "rm -rf node_modules/ pipeline/ gulpfile.js"
   }
 }