qcom-post_boot: no longer set governor here.

Not sure if this is okay but since we already set it to interactive in kernel
do we really need to here? it cuases issue with modified kernels (I know CM
doesn't support them but,) because it overrides the kernels setting after
boot.

Change-Id: I84f06bb064f60352f5e1b7d3a4ac34eb7a1ce2fe
modifications for building with ChronicKernel

Change-Id: I60e8491fbb7edcf029642bc5067f03a8e2285d97