Merge pull request #2118 from GSA/ADMIN-2086_Update_README_First_User…

…_Docs

ADMIN-2086: Updated documentation.

README.md

@@ -372,15 +372,9 @@ After you have completed all setup steps, you will be unable to log in, because
 will not be a user in the database to link to the login.gov account you are using. So
 you will need to create that user in your database using the 'create-test-user' command.
 
-Open two terminals pointing to the api project and then run these commands in the
-respective terminals.
+Open a terminal pointing to the api project and then run this command.
 
-(Server 1)
-env ALLOW_EXPIRED_API_TOKEN=1 make run-flask
-
-(Server 2)
-poetry run flask command create-admin-jwt | tail -n 1 | pbcopy
-poetry run flask command create-test-user --admin=True;
+```poetry run flask command create-test-user --admin=True```
 
 Supply your name, email address, mobile number, and password when prompted. Make sure the email address
 is the same one you are using in login.gov and make sure your phone number is in the format 5555555555.