removed unnecessary stuff

docs/setup.rst

@@ -30,7 +30,6 @@ If you do not want to modify your python installation or if you use an
 installation for which you do not have write permissions you can set up a
 virtual environment and activate it::
 
-  cd
   python -m venv $HOME/python3-fireworks-tutorial
   . $HOME/python3-fireworks-tutorial/bin/activate
 
@@ -73,8 +72,6 @@ necessary). The file must have the following contents::
   name: <database name>
   username: <your username>
   password: <your password>
-  logdir: null
-  strm_lvl: INFO
   ssl: true
   ssl_ca_certs: <path to root CA certificate>