Remove unused directory

src/freedombone

   echo 'cache-dir      /run/inadyn' >> /etc/inadyn.conf
   chmod 600 /etc/inadyn.conf
 
-  if [ ! -d /etc/inadyn ]; then
-      mkdir /etc/inadyn
-  fi
-
   echo '[Unit]' > /etc/systemd/system/inadyn.service
   echo 'Description=inadyn (DynDNS updater)' >> /etc/systemd/system/inadyn.service
   echo 'After=network.target' >> /etc/systemd/system/inadyn.service