[FIX] Runbot error, try new cron code, plus @yajo review cleanup

base_report_to_printer/README.rst

@@ -40,8 +40,8 @@ Installation
 
    sudo apt-get install cups
    sudo apt-get install libcups2-dev
-   sudo apt-get install python-dev OR sudo apt-get install python3-dev
-   sudo easy_install pycups OR sudo pip install pycups
+   sudo apt-get install python3-dev
+   sudo pip install pycups
 
 
 Configuration
@@ -77,11 +77,6 @@ displayed for the deprecated report types (RML, Webkit, ...).
    :target: https://runbot.odoo-community.org/runbot/144/11.0
 
 
-Known issues / Roadmap
-======================
-
-
-
 Bug Tracker
 ===========