misc: skip count and total output in env.output_for_cli

Do not include the `count` and `total` output values in CLI output in
env.output_for_cli by default.

https://fedorahosted.org/freeipa/ticket/4739

Reviewed-By: David Kupka <dkupka@redhat.com>

ipaclient/plugins/misc.py

@@ -11,6 +11,9 @@ register = Registry()
 @register(override=True)
 class env(CommandOverride):
     def output_for_cli(self, textui, output, *args, **options):
+        output = dict(output)
+        output.pop('count', None)
+        output.pop('total', None)
         options['all'] = True
         return super(env, self).output_for_cli(textui, output,
                                                *args, **options)