Do not automatically enable root ssh access

With our current self-hosting installation process, this
is not longer required. It should be the users responsibility
to gain access to his server. For Cloudron managed hosting,
this does not apply as we always create servers with ssh keys.

Also do not tinker with the sshd configs. The user may choose
to use access via password.

Fixes #104

installer/systemd/cloudron-system-setup.sh

@@ -12,9 +12,6 @@ disk_device="$(for d in $(find /dev -type b); do [ "$(mountpoint -d /)" = "$(mou
 
 existing_swap=$(cat /proc/meminfo | grep SwapTotal | awk '{ printf "%.0f", $2/1024 }')
 
-# allow root access over ssh
-sed -e 's/.* \(ssh-rsa.*\)/\1/' -i /root/.ssh/authorized_keys
-
 # all sizes are in mb
 readonly physical_memory=$(free -m | awk '/Mem:/ { print $2 }')
 readonly swap_size=$((${physical_memory} - ${existing_swap})) # if you change this, fix enoughResourcesAvailable() in client.js
@@ -50,4 +47,3 @@ umount "${USER_DATA_DIR}" || true
 truncate -s "${home_data_size}m" "${USER_DATA_FILE}" # this will shrink it if the file had existed. this is useful when running this script on a live system
 mount -t btrfs -o loop,nosuid "${USER_DATA_FILE}" ${USER_DATA_DIR}
 btrfs filesystem resize max "${USER_DATA_DIR}"
-