Revert "intelli-thermal: increase sampling time to reduce sampling overhead"

This reverts commit f0090ed8d4a831b4a4c3a40467b63d5974e733a5.
Revert "intelli-thermal: use its own dedicated workqueue"

This reverts commit 5d675f41e81c45210ee10e47bb7de7307e48c928.
Revert "intelli/msm_thermal: initial coding for Qualcomm Snapdragon 800 devices"

This reverts commit b603b57b589a3fd87649b2eb7c3f6cbb0bfa9282.