lscgroup: removed unused variable
lscgroup: removed unused variable

Removed  unused variable ‘cgroup_dir_path’ in lscgroup
in function ‘display_controller_data’.

Signed-off-by: Ivana Hutarova Varekova <2e3918a0a366ea7e658a2062ab582c898a7e1b1b@redhat.com>
Acked-by: Dhaval Giani <f48451d72a1ad74c777093928b661ad7099a85df@gmail.com>

rafalmiel/libcg,rafalmiel/libcg,rafalmiel/libcg,rafalmiel/libcg