rm selinux

Revert "Revert "jf-common: only build selinux in kernel if we want it""

This reverts commit 897c79157a4a4161b5c44ac084cdeb97a18b79c9.

Revert "jf-common: only build selinux in kernel if we want it"

This reverts commit 442a085ca8344d29dc7f1978c31d4c96e9fcfba8.
Revert "jf: Add missing SELinux policy files"

This reverts commit 93b9837467a3d3ea043f47ed37fd2515e687dccb.
REVERT: jf: Enable SELinux

Change-Id: I98809d4ee05202b800d59172442a2e5686ce44c4 (reverted from commit 1e590784d6bcc4ddde19d0f0f53aa2506476f41e)