Revert "Set up OWNERS"

Revert submission 2521855-285981567

Reason for revert: open for 5.15 in-market kernel development

Reverted changes: /q/submissionid:2521855-285981567

Bug: 313355593
Bug: 309749142
Change-Id: Ida78934e080cab3d7ad7e85dc6727d7e870af4b6