remove elephant

Author: mluukkai

src/content/13/en/part13a.md

@@ -67,7 +67,7 @@ The reason why the the previous sections of the course used MongoDB is precisely
 
 ### Application database
 
-For our application we need a relational database. There are many options, but we will be using the currently most popular Open Source solution [PostgreSQL](https://www.postgresql.org/). You can install Postgres (as the database is often called) on your machine, if you wish to do so. An easier option would be using Postgres as a cloud service, e.g. [ElephantSQL](https://www.elephantsql.com/).
+For our application we need a relational database. There are many options, but we will be using the currently most popular Open Source solution [PostgreSQL](https://www.postgresql.org/). You can install Postgres (as the database is often called) on your machine, if you wish to do so.
 
 However, we will be taking advantage of the fact that it is possible to create a Postgres database for the application on the Fly.io and Heroku cloud service platforms, which are familiar from the parts 3 and 4.