Remove sip entries from the readme

src/freedombone-app-sip

     remove_completion_param install_sip
     remove_completion_param configure_firewall_for_turn
     remove_completion_param configure_firewall_for_sip4
+    sed -i '/SIP /d' /home/$MY_USERNAME/README
 }
 
 function configure_firewall_for_turn {
     if ! grep -q $"SIP Server" /home/$MY_USERNAME/README; then
         echo '' >> /home/$MY_USERNAME/README
         echo '' >> /home/$MY_USERNAME/README
-        echo $'SIP Server' >> /home/$MY_USERNAME/README
-        echo '==========' >> /home/$MY_USERNAME/README
+        echo $'# SIP Server' >> /home/$MY_USERNAME/README
         echo $"SIP onion_domain: $SIP_ONION_HOSTNAME" >> /home/$MY_USERNAME/README
         echo $"SIP server username: $MY_USERNAME" >> /home/$MY_USERNAME/README
         echo $"SIP server extension: 201" >> /home/$MY_USERNAME/README