Add command to remove rank from skill

ultron/objective/management/commands/remove_rank_from_skill

@@ -1,13 +0,0 @@
-""" supprime le rank des skill
-"""
-
-from django.core.management.base import BaseCommand
-from ultron.objective.models import Skill
-
-
-class Command(BaseCommand):
-    def handle(self, *args, **options):
-        skill_list = Skill.objects.all()
-        for skill in skill_list:
-            skill.rank = 0
-            skill.save()