[components/ktime]: Remove unused rt_ktime_cputimer_getstep#10809

Rbb666 merged 1 commit intoRT-Thread:masterRT-Thread/rt-thread:masterfrom

lygstate:rt_ktime_cputimer_getstep_removallygstate/rt-thread:rt_ktime_cputimer_getstep_removalCopy head branch name to clipboard