refactor(klipper): remove init.d support

Signed-off-by: Dominik Willner <th33xitus@gmail.com>

scripts/klipper.sh

@@ -43,7 +43,6 @@ function klipper_systemd() {
 }
 
 function start_klipper_setup() {
-  local klipper_initd_service
   local klipper_systemd_services
   local python_version
   local instance_count
@@ -56,15 +55,9 @@ function start_klipper_setup() {
   status_msg "Initializing Klipper installation ...\n"
 
   ### return early if klipper already exists
-  klipper_initd_service=$(find_klipper_initd)
   klipper_systemd_services=$(klipper_systemd)
 
-  if [[ -n ${klipper_initd_service} ]]; then
-    error="Unsupported Klipper SysVinit service detected:"
-    error="${error}\n ➔ ${klipper_initd_service}"
-    error="${error}\n Please re-install Klipper with KIAUH!"
-    log_info "Unsupported Klipper SysVinit service detected: ${klipper_initd_service}"
-  elif [[ -n ${klipper_systemd_services} ]]; then
+  if [[ -n ${klipper_systemd_services} ]]; then
     error="At least one Klipper service is already installed:"
 
     for s in ${klipper_systemd_services}; do
@@ -409,26 +402,18 @@ function write_example_printer_cfg() {
 #================================================#
 
 function remove_klipper_service() {
-  if [[ ! -e "${INITD}/klipper" ]] && [[ -z $(klipper_systemd) ]]; then
-    return
-  fi
+  [[ -z $(klipper_systemd) ]] && return
 
   status_msg "Removing Klipper services ..."
 
-  if [[ -e "${INITD}/klipper" ]]; then
-    sudo systemctl stop klipper
-    sudo update-rc.d -f klipper remove
-    sudo rm -f "${INITD}/klipper" "${ETCDEF}/klipper"
-  else
-    for service in $(klipper_systemd | cut -d"/" -f5); do
-      status_msg "Removing ${service} ..."
-      sudo systemctl stop "${service}"
-      sudo systemctl disable "${service}"
-      sudo rm -f "${SYSTEMD}/${service}"
-      sudo systemctl daemon-reload
-      sudo systemctl reset-failed
-    done
-  fi
+  for service in $(klipper_systemd | cut -d"/" -f5); do
+    status_msg "Removing ${service} ..."
+    sudo systemctl stop "${service}"
+    sudo systemctl disable "${service}"
+    sudo rm -f "${SYSTEMD}/${service}"
+    sudo systemctl daemon-reload
+    sudo systemctl reset-failed
+  done
 
   ok_msg "All Klipper services removed!"
 }
@@ -559,12 +544,6 @@ function get_klipper_status() {
   local sf_count status py_ver
   sf_count="$(klipper_systemd | wc -w)"
 
-  ### detect an existing "legacy" klipper init.d installation
-  if [[ $(klipper_systemd | wc -w) -eq 0 ]] \
-  && [[ $(find_klipper_initd | wc -w) -ge 1 ]]; then
-    sf_count=1
-  fi
-
   py_ver=$(get_klipper_python_ver)
 
   ### remove the "SERVICE" entry from the data array if a klipper service is installed