ANN: Reference Policy 2.20210908

https://github.com/SELinuxProject/refpolicy/releases/tag/RELEASE_2_20210908

One major activity for this release was to remove modules for programs that are 
no longer maintained or used.

Removed Modules:

  - aiccu
  - bcfg2
  - callweaver
  - ccs
  - cipe
  - clockspeed
  - clogd
  - cmirrord
  - dcc
  - denyhosts
  - dspam
  - ddcprobe
  - howl
  - imaze
  - jockey
  - ktalk
  - lockdev
  - mailscanner
  - oav
  - polipo
  - pyicqt
  - rgmanager
  - rhcs
  - ricci


Notable changes:

  - Use user_fonts_config_t in user font dirs, instead of xdg_config_t.
  - Add a secure_mode_boolean to disable boolean changing. Change generic 
booleans to boolean_t.
  - Drop second parameter of systemd_tmpfilesd_managed().
  - Add a new type for ICMP packets.
  - Add support for the blkmapd RPC service.
  - Set ubifs as an extended attribute handling filesystem.
  - Many other minor rule fixes.


-- 
Chris PeBenito