Remove unnecessary substitutions

beaglebone.txt

 Substitute /mydomainname.com/ for your domain name (the main one used for email).
 
 #+BEGIN_SRC: bash
-sed 's/godark.ca/mydomainname.com/g' bitmessage-gateway.py > bitmessage-gateway.py
-#+END_SRC
-
-Change the user to /bitmsg/
-
-#+BEGIN_SRC: bash
-sed 's#your_user/MailDir#bitmsg/Maildir#g' bitmessage-gateway.py > bitmessage-gateway.py
-#+END_SRC
-
-Change the logging location.
-
-#+BEGIN_SRC: bash
-sed 's#/var/log/bitmessage-gateway.log#/home/bitmsg/gateway.log#g'
-bitmessage-gateway.py > bitmessage-gateway.py
-#+END_SRC
-
-Change the API username.
-
-#+BEGIN_SRC: bash
-sed 's/bmapi/bitmsg/g' bitmessage-gateway.py > bitmessage-gateway.py
+sed 's/mydomainname.com/your_domain_name/g' bitmessage-gateway.py > bitmessage-gateway.py
 #+END_SRC
 
 Find out what the API password is: