Remove references to pipenv from README

README.md

@@ -37,25 +37,7 @@ best for learning new languages.
 
 ## Getting started
 
-1. Make sure you have Python 3 and pipenv installed.
-
-2. Go to the directory with the `Pipfile` and run
-   ```
-   pipenv install
-   ```
-
-3. After the install completes, run
-   ```
-   pipenv shell
-   ```
-   This will get you into the virtual environment. At this point, you should be
-   able to run Python 3 by just running `python`:
-   ```
-   $ python --version
-   Python 3.6.5
-   ```
-
-   You can exit the virtual environment by typing `exit`.
+Make sure you have Python 3 installed. You can check this by running `python3 --version` in your terminal and ensuring that it returns a version string that is at least 3.6.5. 
 
 ## Goals