shared/cpu-set-util: drop now-unused cleanup function
(cherry picked from commit cb0d3acf55ef335001cac5dd9c335ec5e75e9b56)
Related: #1734787
patch_name: 0280-shared-cpu-set-util-drop-now-unused-cleanup-function.patch
present_in_specfile: true
location_in_specfile: 280
squash_commits: true