Revert "scheduler: Re-compute time-average nr_running on read"

This reverts commit bc7e87c9dfdb1d85f9c905bf10cc523d43cdcfca.
Revert "proc: enhance time-average nr_running stats"

This reverts commit d34a0d58d18f830e3087d02726fdbda8f547cebd.
Revert "scheduler: compute time-average nr_running per run-queue"

This reverts commit 20529e7aafdb858089687ee82321fd1dab35d686.
Revert "intelli/msm_thermal: initial coding for Qualcomm Snapdragon 800 devices"

This reverts commit b7cec6247c534515ce476a82fbeb33e7fdfbf435.