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: I18af4ea468bd0ba61cd9a7b6dcee2e393d572eb2
tree: 0468a551251ed9c3fddbcf105ad0dbd1499acfb9
  1. ramdisks/
  2. selinux/