tcf alloc-rm command returns success when allocation was not removed

```console
$ tcf alloc-rm capi-lr40n07_5001/330e5gcb
$ echo $?
0
$ tcf ls -v | grep r245s004
capi-lr40n07_5001/r245s004 [sys_cluster@intel.com:330e5gcb] ON
capi-lr40n07_5001/r245s004-kvm
capi-lr40n07_5001/r245s004-nuc  ON
capi-lr40n07_5001/r245s004-nw
```