Remove userspace reboot CTS tests

Bug: 199411347
Test: presubmit
Change-Id: I407c163a43de441dfb47d37ab56e9f0b985f8453
Merged-In: I407c163a43de441dfb47d37ab56e9f0b985f8453
(cherry picked from commit d72f1a1a6f977a7e05fc96e24b4ecc6029e735f2)
12 files changed