fix: don't commit the env.example with both options for the environmental variable as the script will copy it

Author: alex-libraryon

next/.env.example

@@ -1,5 +1,5 @@
 WEBSITE_URL=http://localhost:3000 # Add the correct ENV var for this onto your hosting platform, point it to your production website.
-ENVIRONMENT=development || production
+ENVIRONMENT=development
 PORT=3000
 
 NEXT_PUBLIC_API_URL=http://localhost:1337