packer: drop RH IT certificate

I think it was needed for internal workers - not needed anymore.

Signed-off-by: Ondřej Budai <ondrej@budai.cz>

templates/packer/ansible/roles/common/tasks/certificates.yml

@@ -1,9 +0,0 @@
----
-
-- name: Deploy Red Hat Root CA certificate.
-  copy:
-    src: RH-IT-Root-CA.crt
-    dest: /etc/pki/ca-trust/source/anchors/RH-IT-Root-CA.crt
-
-- name: Update trusted CA certificate bundle
-  command: update-ca-trust

templates/packer/ansible/roles/common/tasks/main.yml

@@ -6,9 +6,6 @@
 # Set systemd/journald overrides
 - include_tasks: systemd.yml
 
-# Deploy certificates.
-- include_tasks: certificates.yml
-
 # Configure monitoring.
 - include_tasks: monitoring.yml