Revert "mako_hotplug: make max_freq_cap tunable to avoid rebuilding"

This reverts commit 5a4a1c2a2c162c15b9f6cba16ff68b2d404a3270.
Revert "mako_hotplug: without updating the policy nothing actually happened."

This reverts commit 7549c56d0bc7789cd306960b73928e0f0613e6ae.
Revert "mako_hotplug: we can now cap max freq to 1GHz on screen off."

This reverts commit f7214963b475ab401b192a99ee79850052b9e313.