cleanup: clean up rolled out flags

- prevent_a11y_nontool_from_injecting_into_sensitive_views
- motion_event_injector_cancel_fix

Bug: 284180538
Bug: 384451671
Flag: EXEMPT removing prevent_a11y_nontool_from_injecting_into_sensitive_views
Flag: EXEMPT removing motion_event_injector_cancel_fix
Test: presubmit
Change-Id: Ided740a49ac2205f529d1fae03dd4605e95b38d4
5 files changed