Remove CloudRig as a promoted feature set (#1)

CloudRig is no longer a Rigify feature set. I re-wrote it as a standalone add-on.

Reviewed-on: https://projects.blender.org/extensions/rigify/pulls/1
Reviewed-by: Alexander Gavrilov <angavrilov@noreply.localhost>

scripts/addons_core/rigify/feature_set_list.py

@@ -27,13 +27,6 @@ NAME_PREFIX = feature_sets.__name__.split('.')
 
 # noinspection SpellCheckingInspection
 PROMOTED_FEATURE_SETS = [
-    {
-        "name": "CloudRig",
-        "author": "Demeter Dzadik",
-        "description": "Feature set developed by the Blender Animation Studio",
-        "doc_url": "https://gitlab.com/blender/CloudRig/-/wikis/",
-        "link": "https://gitlab.com/blender/CloudRig/",
-    },
     {
         "name": "Experimental Rigs by Alexander Gavrilov",
         "author": "Alexander Gavrilov",