Revert changes to main init.rc file

Move these to the CM init, there's no need to have them here.

Revert "rootdir: Set permissions for additional interactive sysfs nodes"

This reverts commit d4a936e3585a2a085a2edd0d6861201aa99b4817.

Revert "init: provide initial pemissions for ondemand governor"

This reverts commit bb23f09b4bc5996c88553dcb9857357c1b6516d8.

Revert "Allow 'system' user to modify cpufreq control files"

This reverts commit 2aaa54be95527144341e5fb82c67b2be7f06ac71.

Change-Id: I8889d6f6d3346cf7920bb3e8d5d52291d40d6b5e