Revert "io_uring,lsm,selinux: add LSM hooks for io_uring_setup()"

This reverts commit c6ad9fdb.

It makes pixel6 to hang when trying to get to fastboot. Revert it
temporarily until we identify a fix.

Bug: 411388912
Test: TH
Link: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c6ad9fdbd44b


Change-Id: I739106b0d90bc4604cf018a7e1f88540747518d1
Signed-off-by: Tudor Ambarus <tudordana@google.com>