TT#114353 check action: do not execute restore-permissions

Execution of `ngcpcfg check` shouldn't modify system state,
and executing the restore-permissions helper script also
takes some notable time (e.g. during ngcp-status execution
it causes ~10% of its runtime).

Change-Id: I8ad861379da3817f0bdf760ea16939c80eae2ce6

sbin/ngcpcfg

@@ -153,6 +153,7 @@ case ${1:-} in
   init-shared|\
   initialise|\
   cat|\
+  check|\
   get|\
   edit|\
   show)
@@ -164,7 +165,6 @@ case ${1:-} in
     ;;
   apply|\
   build|\
-  check|\
   clean|\
   commit|\
   diff|\