Revert "LOAD_FREQ (4*HZ+61) avoids loadavg Moire"

This reverts commit 7a48edcfd30345391ed92f04fc792db395a3fe0b.
LOAD_FREQ (4*HZ+61) avoids loadavg Moire

See https://lkml.org/lkml/2011/11/12/39

Change-Id: I89afe3e8685307604a9cc4c998e18abd72d3858d