Revert "synapse: fixed powerefficient switching on/off after moving its parameter from stweaks to synapse."

This reverts commit 658f924f363dc7bb6fe3157aea4440da97c51454.
Revert "cortexbrain: fixed a bug on switching on/off for power_efficient parameter."

This reverts commit f587fb3d885093249c67bed7b9a3aace8a725540.
Revert "synapse: added tab cpu global configuration"

This reverts commit ac1451799ea7b52781e59769814613f2457502f3.