Exclude compute and object programs from defaults

compute and object programs are part of platform program,
if platform program is executed so that compute and object
ones are - therefore it doesn't make sense to have them all
in the defaults.

Change-Id: I8d85333869c80c4071280b9a819b1fb3b804e624

defaults/main.yaml

@@ -19,8 +19,8 @@ dest_dir: "{{ lookup('env', 'PWD') }}"
 guideline: "2022.06"
 refstack_target_programs:
   - platform
-  - compute
-  - object
+  # - compute - runs as part of platform program
+  # - object - runs as part of platform program
   - dns
   - orchestration
   - shared_file_system