remove useless get_tenant_by_domain command (#6398)

entrouvert/djommon/multitenant/management/commands/get_tenant_by_domain.py

@@ -1,9 +0,0 @@
-from django.core.management.base import BaseCommand
-from entrouvert.djommon.multitenant.middleware import TenantMiddleware
-
-class Command(BaseCommand):
-    help = "Create schemas"
-
-    def handle(self, *args, **options):
-        for arg in args:
-            print TenantMiddleware.hostname2schema(arg)