Revert "adjust sweep2wake, suppress if more than one finger down"

This reverts commit 16d95fe4e307d89d6b55394935a4e06a6530c735.
Revert "sweep2wake/dt2w: disable by default"

This reverts commit c400f8dfde5e69af9b0765a8006d4461bae68c2b.
Revert "Sweep2wake and Doubletap2wake for the Nexus 7 (flo)"

This reverts commit 24ff8d25626669c29589c3b8e2c7f65312472223.